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EHEIM TWIN Automatic Feeder, Battery Operation, Random

3.9 3.9 out of 5 stars 430 ratings

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Purchase options and add-ons

Target Species Fish
Brand Eheim
Breed Recommendation Large Breeds
Color Random

About this item

  • Two separate food chambers for granulate, sticks, pellets, or flakes
  • can be programmed individually
  • Aerated chambers to ensure your food stays dry
  • Random function for natural feeding conditions
  • Two types of food can be fed at the same time, ensuring the correct supply to all aquarium inhabitants.Large display and batteries included

Customer ratings by feature

Portion size
3.7 3.7
Value for money
3.4 3.4
Easy to use
3.2 3.2

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EHEIM TWIN Automatic Feeder, Battery Operation, Random
EHEIM TWIN Automatic Feeder, Battery Operation, Random
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Price$50.24$19.99$22.98$30.99$21.99-14% $29.97
List:$34.97
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Portion size
3.7
4.1
4.0
4.4
4.4
Value for money
3.4
4.0
4.4
4.2
Easy to use
3.2
4.3
4.3
4.3
Battery life
4.4
4.4
4.0
4.3
Suction power
3.8
3.9
3.7
4.4
Sold By
Amazon.com
FREESEA
DXOPHIEX
BuczaipingMX
Ycozy-Direct
CYLIFE24
target species
Fish
Fish
Fish
FISH
Fish
Fish
size
Twin Feeder
FS-069S
Auto Version
style
Automatic
Fish farming
Automatic
AUTO FISH FEEDER
Modern
Automatic
operation mode
Automatic
Automatic, Manual
Automatic,Manually
Automatic
Automatic, Manual
Automatic
weight
0.7 pounds
0.14 pounds
11.22 ounces
0.07 ounces
6.8 ounces
0.44 pounds

Looking for specific info?

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 6.34 x 2.91 x 4.65 inches; 11.2 ounces
  • Item model number ‏ : ‎ 3582000
  • Batteries ‏ : ‎ 2 AAA batteries required.
  • Date First Available ‏ : ‎ March 7, 2007
  • Manufacturer ‏ : ‎ Eheim
  • ASIN ‏ : ‎ B000O3BCUA
  • Country of Origin ‏ : ‎ Germany
  • Customer Reviews:
    3.9 3.9 out of 5 stars 431 ratings

Product Description

The EHEIM Twin Automatic Fish Feeder has dual chambers for different types of food and can be programmed individually.

Important information

Directions

Press the SET button for 3 seconds until the "Hours" flash on the display. Set the "Hours" with the minus/plus buttons. Confirm by pressing the SET button. Set the 'Minutes" with the minus/plus buttons. Confirm by pressing the SET button. Programming (per day) Set "Hours" with the minus/plus buttons. Confirm by pressing the SET button. Set the "Minutes" and confirm by pressing the SET button. Set the number of rotations and confirm by pressing the SET button.

Customer reviews

3.9 out of 5 stars
3.9 out of 5
431 global ratings

Customers say

Customers are happy with feeding time, and battery life of the pet feeder. However, some customers have reported issues with the food dispenser. They say that it dispenses an enormous amount of food, is inconsistent, and hard to program. Customers also have mixed opinions on performance, ease of use, value, quality, and size.

AI-generated from the text of customer reviews

11 customers mention11 positive0 negative

Customers are satisfied with the feeding time of the pet feeder. They mention that it provides flexibility in feeding times and regulates the amount of food. They appreciate the fully programmable interface for feed times, which allows for a wide variety of feeding times. Customers also say that the fish seem to like its consistent feeding time. They also love the options available for setting the timers. However, some customers report that the amount food dispensed is irregular.

"...They also seem to be cognizant of the schedule and come out of hiding just before it delivers...." Read more

"...It has worked flawlessly so far. The fish seem to like its consistent feeding time...." Read more

"...This feeder has two compartments for them and can alternate feeding with them. It appears that you can not set this up to feed, skip a day, feed...." Read more

"...The customizable feeding settings were much more accomodating than I expected...." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the battery life of the pet feeder. They mention that it uses a lot of power, but the batteries last for a long time. Some say that the product can keep their pets fed for over a week and a 55 gallon tank for about 2 weeks.

"...For my pond size, the food lasts well over a week.-- For basic settings, user interface isn't bad...." Read more

"...The batteries seem to last well, the battery indicator still showed full after 10 days of operation...." Read more

"...It looks like doesn`t use a lot of power, so batteries last for a long time...." Read more

"...It's fairly energy efficient runs on 4 AA batts and last at least 6 weeks. It has funky shape but is functional...." Read more

59 customers mention41 positive18 negative

Customers are mixed about the performance of the pet feeder. Some mention that it works well with 3mm pellets and flake foods, while others say that it stopped working and malfunctioned like a bizarre creature from a Sci-Fi film.

"...This does seem to work pretty well - food goes in, aggressive fish splashing while feeding do not cause problems and fish can’t jump out...." Read more

"...It has worked flawlessly so far. The fish seem to like its consistent feeding time...." Read more

"...It works so well, I think it will even work with flakes although I did not test for that...." Read more

"...In both times the unit was completely ruined and malfunctioned like a bizarre creature from a Sci-Fi film, spitting out clumps of food in a..." Read more

41 customers mention14 positive27 negative

Customers are mixed about the ease of use of the pet feeder. Some mention that it's easy to program and use, with a user interface that isn't bad. However, others say that it is awkward to program, challenging to set up, and confusing with the way it'd written.

"Purchased for screened Indoor pond - difficult to setup, when we did get this working, only dispensed food twice...." Read more

"...The instructions are delivered in over a dozen languages, I was using the British English version and found them (mostly) clear...." Read more

"...Do not rush this process. I found the list of multiple languages somewhat tedious as you need to progress to the next step by keeping your place in..." Read more

"...Yes, the instructional booklet is much thicker than it needs to be if you can read simple English...." Read more

33 customers mention22 positive11 negative

Customers are mixed about the value of the pet feeder. Some mention that it's a good quality product, well constructed, and reliable. Others say that it is not worth the money, very bad product, and totally useless.

"...It was a bit of a challenge to adapt to the aquarium but well worth the effort; it’s quite versatile and once going is easy to keep filled...." Read more

"...Easy to fill.-- Made in Germany at a reasonable price.Other notes:-- I know it's NOT rated for outdoors...." Read more

"...scooped the expensive unit from the tank. In both times the unit was completely ruined and malfunctioned like a bizarre creature from a Sci-Fi film..." Read more

"...The unit is well constructed." Read more

24 customers mention12 positive12 negative

Customers are mixed about the quality of the pet feeder. Some mention that it's a great fish feeder that feeds great and is best for flake food. However, others say that it is not good with flake feed because it gets clogged very easy.

"...This feeder handles flakes pretty well - better than the previous feeder, but I still prefer to use Tetra Crisps at this point because they flow..." Read more

"...Although this Eheim Twin-feeder does not like big flakes and clogs relatively easy, I discovered Tetra Crisps work perfectly because they are..." Read more

"...Normal size flakes feed well through the augers, but adding some pellets or shrimp helps...." Read more

"...Flakes straight from the can are to big and would cause portion size issues. Break the flakes to half the size and that would work better...." Read more

13 customers mention5 positive8 negative

Customers are mixed about the size of the pet feeder. Some mention that it's big, while others say that it was too small for their 200-gallon tank. The food hoppers are of sufficient size for about a week of feeding, while the cap is the same size. However, some customers say that the food reservoir sizes are small and unable to hold more than a coke can.

"...Flakes straight from the can are to big and would cause portion size issues. Break the flakes to half the size and that would work better...." Read more

"...The feeder hoppers are large with large openings for easy filling with hinged covers...." Read more

"Physical design is very odd and not practical, feed reservoirs are really small so constantly refilling every few days if you have a larger tank...." Read more

"...based on quality and functions and a second star for the food reservoir sizes are small and unable to hold more then a weak or so for a large tank...." Read more

21 customers mention4 positive17 negative

Customers are dissatisfied with the pet food dispenser. They say that it dispenses an enormous amount of food, is inconsistent, and irregular. They also say that the timers are hard to program and that it does not deliver enough food to sustain life. Customers also mention that the motors was stuck on and the tank was full of food.

"...goldfish, yet the feeder jammed - food was quickly mildewed and would not dispense...." Read more

"...one of the food types, and at the lowest setting it still seems to dump too much food...." Read more

"...Upon returning home found one side had jamed up & never dispensed the food while I was gone...." Read more

"...This does seem to work pretty well - food goes in, aggressive fish splashing while feeding do not cause problems and fish can’t jump out...." Read more

A versatile and reliable feeder
5 Stars
A versatile and reliable feeder
Review of the “Eheim TWIN Automatic Feeder, Battery Operation”The auto feeder in use on the large aquarium had stopped working some time ago and it needed replaced before we went on vacation. The denizens are bottom feeders and some Cichlids so I was thinking about purchasing two feeders - one for bottom food and another for Cichlid food. While searching I happened upon this twin feeder which was getting good reviews so I ordered one.It arrived in a timely fashion and was packaged well by the sender. The unit packaging was well done and kudos to Eheim for not overdoing it with a lot of foam or plastic. It even came with a set of Duracell dry cells.The feeder is a large unit with a large LCD panel and four buttons on the back side and a sort of ramp with a cover at the top of the front side. The battery compartment is a removable unit that snaps onto the bottom of feeder. The feeder hoppers are large with large openings for easy filling with hinged covers. The hoppers are a smoke-grey plastic and you can easily see how much food is left. The business end is a pair of augers with a hinged lid that swings up as either auger runs then snaps down keeping out moisture and preserving the food. The covers, augers, and battery compartment are all removable to facilitate cleaning.This thing is big, and it’s tall; the food output is some inches above the base. That’s good because it’s away from moisture and splashing, but because it is high it requires a pretty large hole in the aquarium cover. Initially I set the feeder on the right side cover and slid the other cover to the left a couple of inches. This was a temporary measure until I could come up with a permanent set up. I took a page out of another reviewer’s book and cut away the top and bottom of a large flavored water container and used that as a funnel that’s passed through a large oblong hole cut into the plexiglass cover behind the light. (Two overlapping 2-inch holes were cut side by side and the points filed away.) This does seem to work pretty well - food goes in, aggressive fish splashing while feeding do not cause problems and fish can’t jump out.Programming is easy, though not completely intuitive. The instructions are delivered in over a dozen languages, I was using the British English version and found them (mostly) clear. Each auger can be programmed to run up to three times in a day and can turn from 1 to 9 times. You can set a time or select random for each run. Each auger can also be set to pause on the seventh day. You start by programming the current time, and then program the left auger - riffling through the three runs in turn - first setting the time to run and then the number of turns for that run. If you select a zero number of turns on a program it skips to the end for that auger and asks (by flashing the pause symbol) if you want your fish to fast on the seventh day. When the left auger is programmed you repeat the process for the right one. Once programmed, you can select any one of your programs and hit the enter button to manually run that program immediately.It seems to handle a pretty wide variety of food; I’ve dispensed both small and large round pellets, crisps, and flakes. Flakes do not lend themselves to auto feeders, they tend to be staticky and therefore stick to the plastic parts, and the lack of uniformity causes them to clog. This feeder handles flakes pretty well - better than the previous feeder, but I still prefer to use Tetra Crisps at this point because they flow through and meter more consistently than flakes.I’ve been using this feeder for about six months now and find that though it’s big and a little noisy when it runs, it delivers food to the bottom and middle feeders with no issues. The fish “hear” it running and know that food is coming. They also seem to be cognizant of the schedule and come out of hiding just before it delivers. The battery indicator still shows the cells are full - I’m only spinning the augers about five times total per day, though. It was a bit of a challenge to adapt to the aquarium but well worth the effort; it’s quite versatile and once going is easy to keep filled. I had no reservations about leaving it in charge for two weeks while we were away. It is far more reliable and in my opinion better at delivery than the spinning hopper feeders I’ve used in the past.I'm tempted to allow four stars because of the size and the difficulty that causes in getting set up, but in all honesty it does what is promised and is well worth the effort and so five then.
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Top reviews from the United States

Reviewed in the United States on October 26, 2018
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5.0 out of 5 stars A versatile and reliable feeder
Reviewed in the United States on October 26, 2018
Review of the “Eheim TWIN Automatic Feeder, Battery Operation”

The auto feeder in use on the large aquarium had stopped working some time ago and it needed replaced before we went on vacation. The denizens are bottom feeders and some Cichlids so I was thinking about purchasing two feeders - one for bottom food and another for Cichlid food. While searching I happened upon this twin feeder which was getting good reviews so I ordered one.

It arrived in a timely fashion and was packaged well by the sender. The unit packaging was well done and kudos to Eheim for not overdoing it with a lot of foam or plastic. It even came with a set of Duracell dry cells.

The feeder is a large unit with a large LCD panel and four buttons on the back side and a sort of ramp with a cover at the top of the front side. The battery compartment is a removable unit that snaps onto the bottom of feeder. The feeder hoppers are large with large openings for easy filling with hinged covers. The hoppers are a smoke-grey plastic and you can easily see how much food is left. The business end is a pair of augers with a hinged lid that swings up as either auger runs then snaps down keeping out moisture and preserving the food. The covers, augers, and battery compartment are all removable to facilitate cleaning.

This thing is big, and it’s tall; the food output is some inches above the base. That’s good because it’s away from moisture and splashing, but because it is high it requires a pretty large hole in the aquarium cover. Initially I set the feeder on the right side cover and slid the other cover to the left a couple of inches. This was a temporary measure until I could come up with a permanent set up. I took a page out of another reviewer’s book and cut away the top and bottom of a large flavored water container and used that as a funnel that’s passed through a large oblong hole cut into the plexiglass cover behind the light. (Two overlapping 2-inch holes were cut side by side and the points filed away.) This does seem to work pretty well - food goes in, aggressive fish splashing while feeding do not cause problems and fish can’t jump out.

Programming is easy, though not completely intuitive. The instructions are delivered in over a dozen languages, I was using the British English version and found them (mostly) clear. Each auger can be programmed to run up to three times in a day and can turn from 1 to 9 times. You can set a time or select random for each run. Each auger can also be set to pause on the seventh day. You start by programming the current time, and then program the left auger - riffling through the three runs in turn - first setting the time to run and then the number of turns for that run. If you select a zero number of turns on a program it skips to the end for that auger and asks (by flashing the pause symbol) if you want your fish to fast on the seventh day. When the left auger is programmed you repeat the process for the right one. Once programmed, you can select any one of your programs and hit the enter button to manually run that program immediately.

It seems to handle a pretty wide variety of food; I’ve dispensed both small and large round pellets, crisps, and flakes. Flakes do not lend themselves to auto feeders, they tend to be staticky and therefore stick to the plastic parts, and the lack of uniformity causes them to clog. This feeder handles flakes pretty well - better than the previous feeder, but I still prefer to use Tetra Crisps at this point because they flow through and meter more consistently than flakes.

I’ve been using this feeder for about six months now and find that though it’s big and a little noisy when it runs, it delivers food to the bottom and middle feeders with no issues. The fish “hear” it running and know that food is coming. They also seem to be cognizant of the schedule and come out of hiding just before it delivers. The battery indicator still shows the cells are full - I’m only spinning the augers about five times total per day, though. It was a bit of a challenge to adapt to the aquarium but well worth the effort; it’s quite versatile and once going is easy to keep filled. I had no reservations about leaving it in charge for two weeks while we were away. It is far more reliable and in my opinion better at delivery than the spinning hopper feeders I’ve used in the past.

I'm tempted to allow four stars because of the size and the difficulty that causes in getting set up, but in all honesty it does what is promised and is well worth the effort and so five then.
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14 people found this helpful
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Reviewed in the United States on July 21, 2022
One person found this helpful
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Reviewed in the United States on December 12, 2019
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4.0 out of 5 stars Modified for Extended Days.
Reviewed in the United States on December 12, 2019
Over the years I have tried numerous feeders but remained mostly dissatisfied due to irregular portion size as the rotating drum gets low on food. Although this Eheim Twin-feeder does not like big flakes and clogs relatively easy, I discovered Tetra Crisps work perfectly because they are smaller and more consistent in size. Unfortunately, We like to winter in Florida and this feeder only holds enough food for 4 or 5 days (at best) with 3 feedings a day for my large hungry fish.

I designed a supplemental tank that sits on top of the feeder and adds about 2 months of additional food to the normally limited food supply. It works great! After 4 weeks of testing, I decided I can easily change this 13 oz tank to a larger supplemental tank for even longer vacation times.

For those interested ...I took an empty plastic 13 0z bottle of ketchup (water bottles would probably work fine too) and a small 1.5" x 4" thin piece of balsa that was laying around the house. Obviously, any thin, firm material like plastic, metal or wood should work fine. I wrapped the balsa wood with duct tape to keep any moisture from deteriorating the wood. I then cut out two small notches on one side of the wood to accommodate for the Eheim door-hinges which will then allow this new door-top to fit snug when laid over one side of the Eheim Feeder when a feeder-lid is open. Then, I hot-glued the ketchup cap (thread side up) to the new balsa lid. I did trim away a bit on the side of the cap (before gluing) so when I cut a hole through the cap it was centered over one of the feed tanks. I then drilled a hole about the size of a dime through the center of the cap and the balsa lid. That hole proved to be too small and the Tetra-Crisps still bound up. I enlarged the hole with my Dremmel sander to about the size of a nickel and it works fine. I also put a small 1/16th" hole in the bottom of the ketchup bottle to ensure a vacuum would not prevent the food from dropping. Fortunately, the new vent hole prevents a vacuum and is small enough not to let food fall through when I unscrew the bottle for refilling. I added a couple of rubber bands to hold the whole thing in place above the feeder.

It works so well, I think it will even work with flakes although I did not test for that. I intend to switch to a larger bottle- tank to ensure our fish are fed over a 3-month vacation. Even better ...the cap is the same size so I don't have to build a new top. An additional plus is that I did not have to alter or damage the Eheim TwinFeeder in any way and I still have the use of both tanks. The negative side is you must have enough room on top of your fish-tank to accommodate the height of the feeder plus the height of the supplemental ketchup-tank. Hopefully, the attached picture illustrates the end product.

Good luck with your "Home-made, Extended Vacation, Fish Feeder Mod"!
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19 people found this helpful
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Top reviews from other countries

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Gino
5.0 out of 5 stars Bon article
Reviewed in Belgium on March 4, 2024
Russell Payne
5.0 out of 5 stars Ideal for different size fish.
Reviewed in the United Kingdom on June 5, 2022
One person found this helpful
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Dee.M
5.0 out of 5 stars I would reccommend :)
Reviewed in Canada on April 4, 2019
4 people found this helpful
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Gerngroß Benjamin
5.0 out of 5 stars Der erste der wirklich zuverlässig Arbeitet
Reviewed in Germany on August 12, 2020
4 people found this helpful
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Luis
5.0 out of 5 stars Un muy buen sistema de alimentado para peces
Reviewed in Spain on February 9, 2020