AFS Automatic Feeding System - Neptune Systems

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  • My New Favorite: AFS Automatic Feeder EP 20: Apex Aquarium Controllers from Neptune Systems

AFS Automatic Feeding System - Neptune Systems

59% Recommend this to a friend (24 of 41)

SKU: 207979
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Quick Overview

Add even more convenience to your Apex Controller with the AFS Automatic Feeding System from Neptune Systems. Automate your feedings while you are away on vacation or if just want to remove this from your daily routine, the AFS can feed your tank inhabitants once a day or multiple times a day. Daisy-chain two AFS feeders together to feed two different foods or just increase the storage for those long vacations.


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Product Questions

Can this feeder be programed by itself without the apex. I plan on buying the apex soon I just need an auto feeder sooner than I have the funds for the apex.
Question by: Jimbo on May 8, 2014 4:49:00 PM
Hi Jimbo,
It cannot, it requires the Apex system in order to operate.
Answer by: Bulk Reef Supply on May 8, 2014 4:49:00 PM
Hello,I have the apex lite,if I buy this apex AFS feeding system,what else do I need to buy to make it work ? Or is it a plug and play ? Thank you kevin
Question by: Kevin on Jul 31, 2014 4:56:00 AM
Hi Kevin,
If you already have an Apex system all you need is the AFS system :)
Answer by: Bulk Reef Supply on Jul 31, 2014 4:56:00 AM
I actually have two questions.

1. I see there is a clamp for mounting the feeder on the tank. Will this clamp work on rimmed tanks?

2. How would the installation work if you have a glass top or screen on your aquarium?
Question by: Joel on Jan 25, 2016 3:00:00 PM
Great question!
The clamp can work on rims up to 2" thick without issue. If there is a glass top the feeder of course will not work however with a screen top you can cut a section for feeding or if the holes are large enough allow the food to fall through. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 3, 2016 12:24:00 PM
I have the Apex Jr. and I am aware of its 5 module limit. Does the AFS count towards my module limit?
Question by: Jordo on Aug 19, 2014 7:15:00 AM
Hi Jordo,

Any module plugged into the Apex counts towards the limit of 5. This counts the display and expansion outlets like the EB4 and EB8 as well. If you are maxed out at 4 modules you can always stop using the display unit and use your phone or computer to control the Apex to open up a spot for one more module.

Hope this helps.
Have a great day :)
Answer by: Bulk Reef Supply on Aug 19, 2014 7:15:00 AM

Full Details


  • Stay dry system - keeps food dry to avoid clumping
  • Works with pellet or flake fish and coral food
  • Build complex feeding routines
  • Compatible with Apex, Apex Lite and Apex Jr Aquarium Controllers


  • Dimensions: 6.25" (accounting for AquaBus plug) x 3" x 3.75"


What's in the Box

  • AFS System
  • Adjustable clips that extend to almost 2"
  • Hook and loop tape
  • 15 Ft AquaBus Cable
  • Sample of Crossover Diet Pellet Fish Food



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  • Great but not perfect By snow_max on 4/23/2016

    The feeder is super slick and I love the fact that its programable with the Apex. You have may more options over all the other feeders on the market. That being said be cautions when removing the lid while its hanging over the tank. I dumped a whole cylinder of food into my reef because I wanted to change the feed rate. I don't understand why all the other reviewers complain about the sound. It does make noise, how ever I wouldn't call it annoying...unless you're feeding in the middle of the night and the tank is in your bedroom. Otherwise this is a great product and worth trying.
  • Worked great By Robsyp on 4/9/2016

    Worked great out of the box. Had no problems.
  • Less then expected By Mike on 4/3/2016

    I have not changed the code on my Apex for months but once in a while the feeder does not feed. That is unexplainable by everyone I have talked to. Other then that the feeder has kept my fish alive for over a year now. It is noisy but my concern it for it to feed the fish. It drops about the same amount of food each time with 1mm pellets. Not perfect but close enough to keep the tank happy. BUT when it comes time to refill, you have to be careful. It is almost impossible to remove the canister. Most of the time all that comes off is the canister lid and ALL the food dumps into the tank. Advice: remove the entire feeder tilt up and remove the lid. It only takes a little extra time and no disasters.
  • good add on, needs some design improovements to get 5 stars By m on 2/21/2016

    it's a bit noisier than it needs to be.
    sounds like the gear quality and gear mesh is not quite right.
    the food compartment should have a twist lock lid so the entire compartment can be removed without accidentally opening it.
    on a positive note, it is fairly easy to program.
    i have mine set to supply basic daily feedings of pellets and add other things (frozen foods and treats) by hand.
  • The best Feeder By Xavier on 2/18/2016

    A must have if you have the Neptune Apex ....! Control the times per day that you are able to feed you tank !
  • Nothing but issues with this device By Jeff on 2/4/2016

    I control my tank with the Apex controller and absolutely love it. I have never had any issues UNTIL I purchased this device.

    First, the ability to 'daisy chain' multiple feeders together went out and I had to buy new cables to hook them directly into my Energy Bar/Aquabus.

    Then one of them got 'stuck' while rotating and would not return to the closed position (into the trash it went).

    Then, out of the blue, they took my Energy Bars down - knocked communication with the controller out on one and stopped ALL outlets on another. I know it was this device because after unplugging my Energy Bar for a reboot/re-connect with the controller, as soon as I plugged one of the AFS devices in, it took them down again...

    I'm not sure why Neptune continues to sell these items...

    Back to the Eheim everyday feeder for me...
  • Dumps Food; Noisy; Inconsistent By Kurt on 1/30/2016

    I have just about every Apex product they make and love them all.


    The feeder is an epic fail. The lid is so difficult to pop off that dumps some to all the food on the floor or in the tank 75% of the time; even when disconnecting and being as carful as possible.

    It's unnecessarily noisy - as if Apex added noise ok purpose.

    The food dispensing is inconsistent at best.

    Worst design ever. I wish I could return it.
  • feeds inconsistently. buggy software. By Kram on 1/26/2016

    I hope nobody is naive enough to put this right on their tank. I recommend testing it over a bowl or something first. If you do that, you will find that it has up to 800% of error. Said differently, you'll see anywhere from 1/4 the food you expect it to output, to 4 times more than you expect. Hence 800% variation. Then when you look at how it is designed, you'll understand why. There must be better designs out there. Hopefully Neptune comes up with something better. So make sure you take that into account when designing your feeding schedule. It is really tough though since you don't know what you are going to get.

    Secondly, the feeder is buggy. If you configure your schedule to start feeding at midnight, it will freeze the feeder forever and it will never feed. After spending over an hour each night for a couple days with Neptune tech support, I learned about this bug.

    Note: I was happy that Neptune answered my question, but note that it was very very hard for me to get answer from them. I wouldn't have gotten an answer if I wasn't persistent. They kept keep giving me the run around and wouldn't answer my question, which was..... "why won't my feeder work. What am I doing wrong? Or what is wrong with code that was auto generated by their tool (Fusion)." It wasn't until I asked to talk to an engineer many many times that the Tech Support Manager put me on hold for another 30 mins and came back with an answer from engineering. And note that he said previously he already talked to an engineering about this. Now that I know what the issue was, I'm fairly confident that nobody even looked at the code that was generated. If they had, they would have found it in the first 5 mins of the phone call, which would have saved me and Neptune systems man hours of time.

    So in a nutshell, my experience so far has not been good. So please take this info and do as you please. Hope this helps.
  • Waste of money By Larry on 11/30/2015

    Didn't work out of the box. Had to send it back to factory. Have not received it back yet. Hoping it works this time. Given another chance would certainly chose a stand alone feeder.
  • feeds is LOUD! By Stumpedin06 on 11/14/2015

    easily set up to the apex base unit, filling food cup is cumbersome but not rocket science.Food dispenses good.
    It is very loud but only feeds twice a day so not a deal breaker.
  • Catastrophe waiting to happen By CJ on 11/2/2015

    Added food, installed the feeder, tested it, and noticed that I needed to adjust the amount of food coming out. Went to remove the food cartridge but only the lid popped off, and I ended up dumping the entire thing into the tank. There is no way they tested this design prior to shipping. I just ended up spending the entire day mixing water and cleaning the spill. Seriously flawed design: Do not buy.
  • Great but not perfect By MJ on 10/19/2015

    As others have mentioned there is some room for improvement such as the adjustment of the amount dispensed, removing and refilling, and lack of monitoring of food level. But it integrates well into the Apex system and does what it says it will (feed fish automatically). The noise isn't that big of deal and really not that loud, but I could see some concerns for people that were trying to have a dead silent tank all of the time.

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