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PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums – Battery Operated (AA) – Great for Vacations, Holidays, and Weekend Travel

3.7 3.7 out of 5 stars 412 ratings
$22.99 $22.99 per Count
Continuous
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Purchase options and add-ons

Material Plastic
Target Species Fish
Brand Penn-Plax
Recommended Uses For Product Indoor
Special Feature Adjustable

About this item

  • GREAT FOR VACATIONS & HOLIDAYS: The Daily-Double II Automatic Fish Feeder is the perfect solution for aquarists who want to make sure their fish are fed during a weekend trip, a vacation, or a holiday stay. The large capacity food drum holds enough flake food for up to 4 weeks!
  • FEEDS TWICE A DAY: This battery-operated fish feeder cycles through 12-hour intervals the moment a battery (AA) is installed. In other words, this feeder automatically feeds fish twice a day. Please note that this is a preset setting, and cannot be changed or altered. Please Note: Battery Not Included.
  • FLAKE FISH FOOD: The Daily-Double II Automatic Fish Feeder is designed to dispense finely crushed flake food. Larger flakes should be broken up to prevent clogging. If you wish to try pellet food, fill the drum only to 1/3 capacity, and check regularly for proper rotation.
  • KEEPING MOISTURE OUT: To keep food dry, do not place above any bubbling aquarium accessories, such as air stones, aerating ornaments, or turbulent filters. The moisture created by these accessories may be absorbed by the flakes, causing unnecessary clogging.
  • ADDITIONAL FEATURES: This feeder can be either mounted to a tank or can be freestanding on top of an aquarium cover or lid. In addition, there’s a built-in adjustable food dispenser that allows you to regulate the quantity of food your fish are receiving.

Customer ratings by feature

Easy to use
3.5 3.5
Value for money
3.3 3.3
Battery life
3.3 3.3
See all reviews
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PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums – Battery Operated (AA) – Great for Vacations, Holidays, and We
$22.99 ($22.99/Count)
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From the manufacturer

Penn-Plax Penn Plax Pet Products Supplies Care Need Home Indoor Aquarium Fish Tank

Battery Operated (AA)

Penn Plax Penn-Plax Pet Fish Dog Cat Reptile Lizard Rabbit Supplies Family Owned Business Local US
PENN-PLAX, manufacturer & distributor of top Pet Supplies.

PENN-PLAX is a family owned business that was established in 1956 in Brooklyn, New York. Over the years, our goal remains the same: to enhance the pet ownership experience.

We specialize in creating excellent pet supplies for animals, both great and small. We're best known for producing pet products at affordable prices. Our brand is synonymous with innovation and quality, keeping your pet foremost in mind.

PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums

Great for Vacations, Holidays, and Weekend Travel

PENN-PLAX presents the Daily-Double II Automatic Fish Feeder. This feeder is the perfect solution for aquarists who want to make sure their fish are fed during a weekend trip, a vacation, or a holiday stay. The large capacity food drum holds enough flake food for up to 4 weeks! It’s safe for freshwater and saltwater tanks!

Measurements:

  • Overall = 3.25” (W) x 3.25” (D) x 4.25” (H)
  • Freestanding Base = 2.5” (W) x 2.1” (D)
  • Battery Size = AA (Not Included)

Take a Closer Look at the Daily-Double II Automatic Fish Feeder - Model #: DDAF2

DDAF2 Penn Plax Penn-Plax Daily Double Fish Feeder Feed Aquarium Tank Vacation Vacay Weekend Trip

DDAF2 Penn Plax Penn-Plax Daily Double Fish Feeder Feed Aquarium Tank Vacation Vacay Weekend Trip

DDAF2 Penn Plax Penn-Plax Daily Double Fish Feeder Feed Aquarium Tank Vacation Vacay Weekend Trip

DDAF2 Penn Plax Penn-Plax Daily Double Fish Feeder Feed Aquarium Tank Vacation Vacay Weekend Trip

Large Capacity Food Drum

The large capacity food drum holds enough flake food for up to 4 weeks, and can be adjusted as needed

Automatic Timer

Never forget to feed the fish again, as the Daily-Double II Automatic Fish Feeder is preset to dispense every 12 hours.

Battery Operated

This fish feeder will still function in the event of a power outage!

-Uses 1 AA Battery (Not Included)

Secure Fit

This feeder can be either mounted to a tank or can be freestanding on top of an aquarium cover or lid.

Feeds Twice a Day:

  • This battery-operated fish feeder cycles through 12-hour intervals the moment a battery (AA) is installed. In other words, this feeder automatically feeds fish twice a day. Please note that this is a preset setting, and cannot be changed or altered.

Flake Fish Food:

  • The Daily-Double II Automatic Fish Feeder is designed to dispense finely crushed flake food. Larger flakes should be broken up to prevent clogging. If you wish to try pellet food, fill the drum only to 1/3 capacity, and check regularly for proper rotation.

Keeping Moisture Out:

  • To keep food dry, do not place above any bubbling aquarium accessories, such as air stones, aerating ornaments, or turbulent filters. The moisture created by these accessories may be absorbed by the flakes, causing unnecessary clogging.

Additional Features:

  • This feeder can be either mounted to a tank or can be freestanding on top of an aquarium cover or lid. In addition, there’s a built-in adjustable food dispenser that allows you to regulate the quantity of food your fish are receiving.

Measurements:

  • Overall = 3.25” (W) x 3.25” (D) x 4.25” (H)
  • Freestanding Base = 2.5” (W) x 2.1” (D)
  • Battery Size = AA (Not Included)

Shop PENN-PLAX for All Your Pet’s Needs:

  • PENN-PLAX is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

Looking for specific info?

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 3 x 3 x 4 inches; 13.4 ounces
  • Item model number ‏ : ‎ 54527903
  • Date First Available ‏ : ‎ October 2, 2001
  • Manufacturer ‏ : ‎ Penn-Plax
  • ASIN ‏ : ‎ B0002565NO
  • Customer Reviews:
    3.7 3.7 out of 5 stars 412 ratings

Product information

Feedback

PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums – Battery Operated (AA) – Great for Vacations, Holidays, and Weekend Travel

PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums – Battery Operated (AA) – Great for Vacations, Holidays, and Weekend Travel

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Product Description

PENN-PLAX presents the Daily-Double II Automatic Fish Feeder.
This feeder is the perfect solution for aquarists who want to make sure their fish
are fed during a weekend trip, a vacation, or a holiday stay.
The large capacity food drum holds enough flake food for up to 4 weeks!
It’s safe for freshwater and saltwater tanks!

Feeds Twice a Day:
 This battery-operated fish feeder cycles through 12-hour intervals the moment a battery (AA) is installed.
In other words, this feeder automatically feeds fish twice a day.
Please note that this is a preset setting, and cannot be changed or altered.

Please Note: Battery Not Included

Flake Fish Food:
 The Daily-Double II Automatic Fish Feeder is designed to dispense finely crushed flake food.
Larger flakes should be broken up to prevent clogging.
If you wish to try pellet food, fill the drum only to 1/3 capacity, and check regularly for proper rotation.

Keeping Moisture Out:
 To keep food dry, do not place above any bubbling aquarium accessories,
such as air stones, aerating ornaments, or turbulent filters.
The moisture created by these accessories may be absorbed by the flakes, causing unnecessary clogging.

Additional Features:
 This feeder can be either mounted to a tank or can be freestanding on top of an aquarium cover or lid.
In addition, there’s a built-in adjustable food dispenser that allows you to regulate the quantity of food your fish are receiving.

Measurements:
 Overall = 3.25” (W) x 3.25” (D) x 4.25” (H)
Freestanding Base = 2.5” (W) x 2.1” (D)
Battery Size = AA (Not Included)

Shop PENN-PLAX for All Your Pet’s Needs:
 PENN-PLAX is a manufacturer and distributor of top quality pet supplies,
who specialize in creating excellent pet products for animals, both great and small.

Top Brand: Penn-Plax

Highly Rated
100K+ customers rate items from this brand highly
Trending
100K+ orders for this brand in past 3 months
Low Returns
Customers usually keep items from this brand

Important information

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PENN-PLAX Daily-Double II Automatic Fish Feeder for Aquariums – Battery Operated (AA) – Great for Vacations, Holidays, and Weekend Travel
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Price$22.99$22.98-13% $17.99
List: $20.69		$21.99-11% $16.99
Typical: $18.99		$16.99
Delivery
Get it May 15 - 16
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
Customer Ratings
3.73.7 out of 5 stars412
4.24.2 out of 5 stars917
4.34.3 out of 5 stars93
4.34.3 out of 5 stars337
4.24.2 out of 5 stars3,785
4.34.3 out of 5 stars275
Easy to use
3.5
4.2
3.7
—
4.1
4.5
Battery life
3.3
4.4
—
4.0
4.5
4.5
Value for money
3.3
3.9
—
—
3.8
4.4
Suction power
—
3.8
3.0
3.7
4.0
—
Portion size
—
4.0
—
4.4
3.7
—
Sold By
OneStopFishShop
DXOPHIEX
FREESEA
Ycozy-Direct
FREESEA
Tenyon
target species
Fish
Fish
Fish
Fish
Fish
Fish
size
1 Count (Pack of 1)
Auto Version
FS-069S
—
69
—
material
Plastic
Plastic
—
—
Plastic
Plastic
style
Continuous
Automatic
Fish farming
Modern
Automatic
Automatic
operation mode
Automatic
Automatic,Manually
Automatic, Manual
Automatic, Manual
Automatic
Automatic
weight
0.38 kilograms
11.22 ounces
0.14 pounds
6.8 ounces
0.14 pounds
0.6 pounds

Customer reviews

3.7 out of 5 stars
3.7 out of 5
412 global ratings

Customers say

Customers are disappointed with the amount of food delivered by the pet feeder. They say it doesn't quite put out enough food for their goldfish. They also say it's hard to control the amount that dispenses. Customers are also disappointed with moisture, condensation, and flakes. Opinions are mixed on performance, quality, ease of use, and value.

AI-generated from the text of customer reviews

71 customers mention42 positive29 negative

Customers are mixed about the performance of the pet feeder. Some mention that it works quite well, works great for their aquaponics system, and works reliably with granulated food, pellets, or crisps. However, others say that it stopped working while on vacation and several fish died.

"This works great for my aquaponics system - feeding the fish...." Read more

"...I suppose for a big tank with lots of fish this might work but it doesnt work for me...." Read more

"...It works reliably with granulated food, pellets or crisps...." Read more

"...as it gets wet, which it does by the fact that it is over water, it stops working. So, great for a few days.. but after that becomes jello food mess" Read more

37 customers mention17 positive20 negative

Customers are mixed about the quality of the pet feeder. Some mention it's very reliable and the battery lasts forever, while others say it'd break before they could use it. Some customers also say it is of good quality and functions properly, while other say it has poor quality and is flimsy.

"...I did destroy the first one I had because the inner works snapped when I tried to manually adjust it...." Read more

"...The food lasted two weeks while we were away. Fish survived. It doesn't required setting time of day so is a very simple machine...." Read more

"...The unit is plastic and the initial impression is that it is somewhat flimsy ... so far so good, though." Read more

"...will feed 2 times a day, great for growing fry" Read more

28 customers mention18 positive10 negative

Customers are mixed about the ease of use of the pet feeder. Some mention it's extremely easy to use and simple, while others say that it'll be hard to set up and not programmable.

"...It doesn't required setting time of day so is a very simple machine...." Read more

"...The feed timing can't be adjusted, except to choose when you want the cycle to begin; it always feeds 12 hours apart...." Read more

"...I was gone for 3 weeks and my fish were fat and healthy. Extremely easy to use and barely uses any battery...." Read more

"...It's an easy fix all I do is clean it out and I'm good to go . The first one I bought several years ago and have had no problems." Read more

26 customers mention17 positive9 negative

Customers are mixed about the value of the pet feeder. Some mention it's worth every penny, a good deal, and pleased with the performance for the price, while others say that it'll break easily, is cheaply built, and has poor quality.

"Affordable and works by batteries! Only takes small flake foods, but also the freeze dried brine shrimp!..." Read more

"...The bad; The tabs to load the feed chamber are extremely cheap plastic and brittle, BE CAREFUL OPENING IT" Read more

"...Great little feeder for the price. No issues so far." Read more

"...my clawed frogs get food daily(I work many hours)..it was worth the purchase." Read more

23 customers mention3 positive20 negative

Customers are dissatisfied with the amount of food this pet feeder dispenses. They say it does not deliver enough food for their goldfish, it's hard to control the amount, and the food gets clumped up inside the machine. Some customers also mention that the feeder makes a mess and doesn't work for their 35-gallon tank.

"...a huge bottle....but unless the drum is filled a good way the pellets just drop out...." Read more

"...this isn't a very accurate method of measuring, and the amount per feeding can vary a lot depending on factors such as the type of food and how full..." Read more

"...This one scoops just too much pellets even when it’s dialed down to minimum!" Read more

"...smaller pellets a bunch will fall out at once and it's not always consistent in the amount...." Read more

11 customers mention0 positive11 negative

Customers are dissatisfied with the moisture buildup in the pet feeder. They mention that the moisture gets inside the container and makes the food stick together. Some say that the water splashed on it stopped working.

"...User modifications:I had some issues with moisture collecting in the drum and spoiling the food, so following the advice in other reviews I..." Read more

"...1. The moisture build up causes pellets or flakes to stick inside and block the feeding hole or worse is when mold builds up inside and you will..." Read more

"...size/design or the overall design of this feeder but the food inside the feeder got wet and clumped together on numerous occasions." Read more

"...They operate well but moisture gets inside the container and makes the food stick together...." Read more

10 customers mention0 positive10 negative

Customers are dissatisfied with the condensation of the pet feeder. They mention that the food gets humid and clumps, condensation builds up and makes the fish food very soggy, and mold builds up inside. They also say that the tank is cloudy for weeks after using the feeder and that their fish are not being well-fed.

"...to stick inside and block the feeding hole or worse is when mold builds up inside and you will have to throw away the fish food.2...." Read more

"...However, all the other reviewers are correct in that condensation does get into the feeder and spoils the food inside...." Read more

"Gets the job done but not for extended travel because food gets humid and clumps...." Read more

"...came with everything working but if you put it above the tank condensation builds up and makes the fish food very soggy and the food won't come out..." Read more

9 customers mention0 positive9 negative

Customers are dissatisfied with the flakes in the pet feeder. They mention that the fflakes have to be small or it won't function properly. The opening for the food scooper was way too big and would drop about 30 pieces of flakes. Some say that the product is not for small tanks and that the fish does not like flake food. They also mention that they are not able to get the crumbs out and the moisture from the tank got into the tank. Overall, some customers wish the clamp fit their tank right.

"...The opening for the food scooper was way too big and would drop about 30 pieces of food at a time; my boyfriend and I were able to adjust the amount..." Read more

"...The only thing was that I wish the clamp fit my tank right. Thankfully I could lean it up against the bookshelf that I have my tank on...." Read more

"The hole of the feeder is a bit too big you have to make modifications to it." Read more

"Doesn't like flake food. Tends to clog and I have to clean it out a couple times a month. Does rotate and mount easily." Read more

Works great but as it states...DON'T PLACE BY BUBBLES!!!
3 Stars
Works great but as it states...DON'T PLACE BY BUBBLES!!!
I kept a napkin under it to make sure it was working ...and yes..every 12 hours it feeds.....I actually purchased a 2nd one and use both on my tank and set it up so my fish can eat every 6 hours Plus I feel better knowing that if one stops working for whatever reason I can be assured that the fish will be fed... I have been very happy with them. The problem is that I recently purchased a new tank and now when I went away they were in a position where moisture got in.... The description for this product clearly states not to leave it near bubbling water or moisture of any kind so when I get home after a week there was sludge in both dispensers!!!!...... Sadly I don't know how long my fish were without food but luckily they are alive and they are currently eating so be wary of where you place them.... It is a great item but i'm upset about what happened. I wish that they could make it so that the moisture doesn't get in. That's why I didn't give five stars on review.
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Top reviews from the United States

Joshua Nelson
5.0 out of 5 stars Great Device - Very User friendly
Reviewed in the United States on December 16, 2020
Style: ContinuousVerified Purchase
This works great for my aquaponics system - feeding the fish. I did destroy the first one I had because the inner works snapped when I tried to manually adjust it. They seem like they could use a little bit more sturdy plastic/metal to make it more sturdy. Also - we have had to adjust it a bit to make it feed more in the 2 - 12 hour feedings.
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Amazon Customer
5.0 out of 5 stars Easy and Reliable
Reviewed in the United States on August 4, 2018
Style: ContinuousVerified Purchase
I had this feeder in the corded version for about 20 years. We've used it on vacations of up to 3 months...with housesitter refilling it. When it finally quit, I couldn't find the same thing and bought another brand. That one never was reliable and I had to tape it to the aquarium lid to hold it in place. I was so happy to find this feeder again! It is battery operated, but otherwise seems the same. It delivers an adequate amount of food crisps (with the tube twisted wide open) twice a day to feed the 10 large cichlids and amazons in my 90 gallon tank. The food lasted two weeks while we were away. Fish survived. It doesn't required setting time of day so is a very simple machine. Just point the tube down when you want it to empty and it will cycle to that time twice a day. I'm hoping this one will last as long as the last!
One person found this helpful
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Cheryl
1.0 out of 5 stars Not for pellet food
Reviewed in the United States on May 23, 2015
Style: ContinuousVerified Purchase
Contrary to what the write up says, the instuctions inside say Not for use with pellet food. I tried it anyway but didnt have enough pellets to fill the drum. You would need a huge bottle....but unless the drum is filled a good way the pellets just drop out. I tried it with flake food and I couldnt get a setting that dispensed a small enough amount for my tank. I suppose for a big tank with lots of fish this might work but it doesnt work for me. I give this 1 star because i never would have bought if it said no pellets.
2 people found this helpful
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Christopher Stewart
3.0 out of 5 stars Ok, but a few extra dollars will get you a much better feeder
Reviewed in the United States on October 26, 2015
Style: ContinuousVerified Purchase
As other reviews have noted, this feeder works but its not the best. I'm only giving it 3 stars, because for a few dollars more you can get much better value for your money (see suggested alternatives at the end of my review).

How it works:
The drum on the front slowly rotates by 360 degrees over 12 hours -- just like the hour hand on a clock -- giving you two feedings a day. You can hear the mechanism ticking fainting (also just like a clock). The feed timing can't be adjusted, except to choose when you want the cycle to begin; it always feeds 12 hours apart.

There is an orange tube that runs through the drum with a scoop on one end and an opening on the other; when the opening is at 12 o'clock the scoop will start to pick up food. As the drum continues to rotate the food falls into the tube until it is lifted high enough to start sliding out of the opening by gravity. Depending on the type and amount of food in the tube, it might slide out anytime from 3 o'clock to 6 o'clock, and it could come out a little bit at a time or all at once.

You can control the amount dispensed by twisting the tube, which changes the angle that the scoop hits the food (allowing more or less food to enter the tube). In general this isn't a very accurate method of measuring, and the amount per feeding can vary a lot depending on factors such as the type of food and how full the drum is at the time.

Food types:
It works reliably with granulated food, pellets or crisps. It will work with flake food, but only if you lightly crush it first; whole flakes can easily block the entrance to the scoop and prevent it picking up anything at all. If you are going to use flake food you should monitor it to make sure the fish are actually getting their dinner ...

User modifications:
I had some issues with moisture collecting in the drum and spoiling the food, so following the advice in other reviews I drilled a few holes in the front to allow ventilation, and I also made sure the battery compartment was properly sealed using some silicone.

Alternative feeders:
The following feeders are based on a common design that you will see frequently (I think they are probably all made in the same factory in China and then rebranded ... even PetCo sells an "own brand" copy of these). I think it's a superior feeder because you can program the feeding times (up to 4 per day) and the method for pickup up food gives more consistent results. Also, it doesn't have moisture issues, the food is dispensed all at once and it doesn't tick.
-  Aquarium Automatic Fish Food Tank Feeder Timer Home BLK
-  Hk Small size LCD Automatic Auto Aquarium Tank Fish Food Feeder Feeding 4 Times Timer
-  Aquarium Tank LCD Auto Fish Feeder 4 Feeding Times Adjustable
7 people found this helpful
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SHELLV55
5.0 out of 5 stars Works great for short term
Reviewed in the United States on September 22, 2019
Style: ContinuousVerified Purchase
Affordable and works by batteries! Only takes small flake foods, but also the freeze dried brine shrimp! Works for a week of feeding when you can't be home! Would use 2 if you have a 20 gallon or larger!
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Amazon Customer
4.0 out of 5 stars so far so good, though
Reviewed in the United States on November 20, 2015
Style: ContinuousVerified Purchase
This unit feeds the fish 2X every 24 hr. I initially got the unit this summer when I was going on vacation for 2 wks.. It worked so well I am still using it. The trick is not to use flake food but rather pellets. I tried flake and the chute just plugs up. I use Yardley Pond Pellets. This food may not work for smaller fish, however. The unit is plastic and the initial impression is that it is somewhat flimsy ... so far so good, though.
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BaileyFamily704
5.0 out of 5 stars Great way to feed fish while on vacation
Reviewed in the United States on September 17, 2017
Style: ContinuousVerified Purchase
We recently went on a six day vacation and purchased this feeder for our tank. It was an ideal solution for us to not have to worry about our pets getting fed twice a day. Plus I didn't have to give anyone my house key to have them go on and do it for us.
We received the feeder a few days before we left for our trip and tried it out just to make sure it was going to work, and it did. It dispenses a perfect amount of food and when we came home our tank was as clean as if we had been hand feeding them all week.
I definitely recommend this feeder to anyone that is looking to feed their fish an easier way or simply trying to make sure they come home to live fish after vacation.
4 people found this helpful
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Albert S. White
2.0 out of 5 stars Fair quality but would not rely on to keep fish alive.
Reviewed in the United States on November 21, 2017
Style: ContinuousVerified Purchase
You have grinch fish flakes very fine to dispense. Bought two and one broke in 6 months. Works well when it works.
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Top reviews from other countries

Lucie
5.0 out of 5 stars Works well
Reviewed in Canada on June 1, 2023
Style: ContinuousVerified Purchase
I really like this product and it work really well with granule food.
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Colin Trim
5.0 out of 5 stars Great solution to a holiday problem
Reviewed in the United Kingdom on November 6, 2022
Style: ContinuousVerified Purchase
Excellent product that solves the holiday problem of feeding fish without using blocks that contaminated the water
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Manikandan Venkatesan
4.0 out of 5 stars It was working as expected!!!
Reviewed in India on November 25, 2021
Style: ContinuousVerified Purchase
It was working as expected!!! Controlling food quantity is little difficult.
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Amazon Customer
3.0 out of 5 stars it s ok
Reviewed in Australia on January 20, 2020
Style: ContinuousVerified Purchase
Very basic but is works like a clock. The delivery system turns the same way.
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Chantelle Morton
1.0 out of 5 stars Works in a pinch, but not the best
Reviewed in Canada on November 7, 2021
Style: ContinuousVerified Purchase
Doesn't feed often enough and dumps too much food into tank
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