AccliMate by Reef Gently

AccliMate by Reef Gently - Standard and XL
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  • AccliMate by Reef Gently - Standard and XL
  • How to: Acclimate by Reef Gently

Quick Overview

Acclimate, transport, trap and isolate your fish, corals and anemones easily and conveniently with the AccliMate from Reef Gently.

  • Available in 1/2 Gallon and 1.75 Gallon sizes to accommodate small or larger fish and corals

  • Patent-pending design to automatically acclimate at a certain speed for different species

  • Proper acclimation and less handling helps reduce stress on the fish and corals

  • Special two tank design allows you to trap, transport and acclimate all in one device

  • Quick Overview

Acclimate, transport, trap and isolate your fish, corals and anemones easily and conveniently with the AccliMate from Reef Gently.

  • Available in 1/2 Gallon and 1.75 Gallon sizes to accommodate small or larger fish and corals
  • Patent-pending design to automatically acclimate at a certain speed for different species
  • Proper acclimation and less handling helps reduce stress on the fish and corals
  • Special two tank design allows you to trap, transport and acclimate all in one device

AccliMate by Reef Gently

54% Recommend this to a friend (7 of 13)

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Choose a size

AccliMate Standard (.5 Gallon Capacity)
SKU: 207949

reg. $72.99

Special Price: $62.04

AccliMate XL (1.75 Gallon Capacity)
SKU: 207950

reg. $109.99

Special Price: $93.49


Full Details

AccliMate™ Standard

  • .5 gallon capacity
  • Will hold an aquarium fish up to 2-1/2” long
  • Outer Tank Size: 7-5/8” W x 3-3/8” D x 6-1/4” H
  • Inner Tank Size: 7-1/8” W x 2-3/4” D x 5” H
  • Suction Cups: 2-1/2” diameter
  • Material: 3/16” thick acrylic
  • AccliStick included

AccliMate™ XL

  • 1.75 gallon capacity
  • Will hold an aquarium fish up to 4” long
  • Center divider for inner tank allows for two species
  • Outer Tank Size: 11-1/4” W x 5-1/2” D x 9-1/4” H
  • Inner Tank Size: 10-5/8” W x 4-1/4” D x 7-5/8” H
  • Suction Cups: 3-1/4” diameter
  • Material: 1/8” thick acrylic
  • AccliStick included

Acclimation is simple

  • Set up the acclimation drip with the AccliStick, set a time and walk away
  • Water in the AccliMate is slowly exchanged with the tank water with the dual siphon, Continuous Exchange System (CES)

Easy Transportation

  • Bring your Acclimate to the fish store
  • Sliding lid with hook and loop closure keeps lid, fish and water in place
  • Be sure to bring extra water from the fish store to aid in the acclimation process

  • Trap and Isolate

    The inner tanks with flow-through holes can be secured to the inside walls of the aquarium using the included suction cups. Can be used for in tank isolation, quarantine, targeted feeding and more.

    Follow manufacturer's instructions for best results.

    AccliStick Standard Drip Rate Guide - Reef Gently

    Species Type AccliStick Station Acclimation Time Min. Waste Water Container Size - Gallons
    Hardy 12 50 minuntes 1
    Semi-Hardy 13 1 hour, 29 minutes 2
    Average 14 2 hours, 26 minutes 2
    Sensitive 15 4 hours, 16 minutes 2
    Ultra-Sensitive 16 8 hours, 11 minuties 2


Items 1 to 12 of 13 total

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  • Great product! By Jeff on 7/3/2017

    I used this for the first time last night to acclimate a yellow clown goby that has been in my quarantine tank to my DT. Worked flawlessly. Easy to set up and the suction cups on the unit worked with no problem. I had no worries that it was stable once I pressed it onto my tank. Anyone wanting to acclimate their fish to temp and salinity in a very easy and gentle way needs this product. Well executed concept.
  • Great product!!! By Jeremy B on 9/20/2016

    I'm not sure about all the other problems the other people said they had but I had NONE of these. The only problems I had was the line coming off from the ends of the ball valve...I bought some baby zip ties to cure this problem. As for the suction cups I have yet to have any problems. I have used mine over a year now, many times and not had any leaks or anything. I personally have my own thoughts on why these people are having problems with the suction cups but I will stay quiet as to not "insult" anyone....moving forward. I think its a great product...yes its not perfect and takes some getting use to but I like it. I also put a thermometer inside of it to make sure the temp did not change and sure enough it was exactly as the tank water temp the whole time during acclimation...I really think you should give this product a try...its great!
  • Great Product, may require a little fixing By Cameron on 8/31/2016

    I really enjoy the acclimate. I am glad to have it. It makes transporting fish and other little friends much easier and more comfortable. I have only found an issue when acclimating tiny crabs and snails as they can fit through the holes.
    When I originally got the product, the top lid was a little tight and difficult to close. After having used it, it has smoothed out and now glides fairly easily.
    I had one of the main suction cups keep springing a leak. Easy enough to fix temporarily while acclimating by using my fingernail to hold the screw and tightening it back on. This was fixed permanently with a touch of super glue after dry.
    After using it numerous times, I still would buy the item again. I don't mind having to fix tiny minor things and it's one of the best products out there. As they say:
    No nets, No mess, No stress.
  • Works perfectly but requires cerebral cortical activity By Raddock on 7/22/2016

    I'm astounded at the number of reviewers who can't keep this stuck to their tank. It works perfectly if used as instructed. I've used mine a dozen times or more and it doesn't let go. Don't just pull it off the tank when you are done, or you may find out why some of the other reviewers have problems with the suction cups. Break the suction with your finger nail and the cups will stay sealed at their attachment and work for you the next time you need it :)

    I bought this a few years ago thinking that it would be an awesome way to acclimate fish and coral. However the one day I was acclimating some corals low and behold the suction cups broke free spilling a half gallon of water on the floor and had broke my frags. Was not happy at all. I found to get it started was a pain half of the time. what I do is put the box in a 5 gal bucket on a chair next to my tank. Then I have a air hose that goes down from the tank to the acclimate box. I control the flow with a airline valve that acts like a ball valve to control the flow. then when it has filled 6 times i pick the box up out of the bucket and place it into the water. I really wanted to give this high review, but not after it fell off the tank.
  • terrific By L on 6/12/2015

    I have owned this for four years and use it with all of my fish. I have had one incident of a gasket leaking which is easily fixed by tightening the screw. If you follow the instructions (lightly moistening the tank glass and suction cups) they hold tightly. Almost too tightly. When I sm done, i have difficulty releasing the suction without splashing water on myself.

    I would definitely reccomend this product. I do find the acclistick a bit worthless and adjust the flow via the gate valve, but for a person new to the hobby and acclimating, i think its a good tool to teach them what a good drip rate is for different animals.
  • Best Way to Add Fish By Chris on 5/9/2015

    At first I was hesitant to pull the trigger on this because I'm not really fond of the idea that 3 suction cups hold up a gallon of water with expensive fish with nothing but 4-5 ft. of nothing between it and the ground. I'm here to say that so far the suction cups work like champs. I've used it quite a few times already and it stays put! The acclimation side of the house couldn't be any easier and it does a great job of drip acclimating the fish. Transporting fish from the LFS is easy as I just have them fill it up with water and put the fish in there. From there I buckle it in with the seatbelt and I'm set. The lid isn't waterproof so a towel is needed for transporting just in case. Overall I'm very happy with this product and I would suggest anyone get it.
  • Very good concept, poorly implemented. By Jory on 4/8/2015

    This is an awesome concept but as others have mentioned the attachment method has flaws.

    Easy to setup and use.
    Acclimates critters very slowly if needed.
    Can be adapted to work safely.

    Suction cups not great for something this heavy. Not anything I would trust.
    Suction cups mounted on screws !through! the side of the "waterproof" outer container. There are gaskets, but the screws into the soft suction cup really don't tighten well. I've had them pull out of the suction cups when removing it from tank, will be removing and sealing holes.
    For this price, give me a ball valve with push connects instead of barbed fittings since they are supposed to be attached/removed with every use.

    To make this safer/easier to use put something grippy (like a silicone pad) between the flat side of this and aquarium. Toss on a couple quick-grip clamps to hold it there. For extra safety I usually put it inside the aquarium so the water column helps support the weight, a little tough with some euro bracing though. Many other ways of rigging it without relying on the suction cups, I still recommend this but barely.
  • Worked great, until the suction cups let it fall and break By AZ Big John on 4/2/2015

    I loved this product for acclimating fish, for the first four fish I used it on. On the fifth fish, as almost everyone else mentioned, the suction cups let go, and it, and the fish, hit the floor.

    Luckily, I saw it go, and it stayed intact. I was close to the end of the time period, anyway, so I quickly pulled the inner sleeve out, and put the fish in the tank

    When I looked at it, it had cracked the main lower seam, so my $55 dollar acclimate went in the trash. Great concept, great system, just needs a more secure option to attach to the tank.
  • Great Idea. Poor Design. By Gary on 1/19/2015

    I was looking for something to help automate acclimating fish and corals to may tank water, and after watching the videos, it looked like this would fit the bill. I was a little skeptical about this product after reading the reviews (see Ed’s below), but it was recommended by Ryan on BRS TV so I went ahead and gave it a shot. The day it came, I picked up some frags and a couple small fish and hurried home to try it out. The instructions were pretty straightforward. But, the “AccliStick” arrived broken in half. I figured I could still make it work by adjusting the flow valve; however, when I filled up the container the suction cups would not hold the weight when full and on the front of the aquarium. Additionally, one of them began to leak around the gasket almost immediately. Fortunately, I avoided a large mess, but will be returning it to BRS. They could come up with a much better design with a simple over-the -edge hanger. It would likely work OK as a fish trap, but you can get effective traps at a much lower cost.
  • ACCLIMATE BY REEF GENTLY By Nate on 1/16/2015

    I bought this a few years ago from foster and smith, because they were the only ones who had it. I read the instructions on how to use it, as well as watching you tube videos on it. first time I used it was with a clown fish, had no problems. second time I used it for corals it didn't siphon properly. The last time i used it, It came off the glass, hit the corner of my stand, took a nice chunk out of it. (wife was not happy!!) I had a 1/2 gal of water and corals on the floor. So I now use it for growing out brine shrimp. When I am not doing that, I use it when I get fish. After the they spend their time in QT I catch the fish and put them in there. Then I acclimate them to my tank in a bucket; when this over I use the insert with the holes and put the fish in the tank. With them in the box, the tank mates can get use to them. Overall, its a great idea I do use it but never for acclimation. I believe some major improvements are in order. Instead of using suction cups, they should use a acrylic hanger or heavy duty magnets..
  • Fish trap only! By Ed on 12/27/2013

    Very poor design. Suction cups are held on with screws that go thru holes in the container and constantly leak because screws can't get a good hold of suction cups allowing water to leak. Needs a hook to hold the unit on tank. Not suction cups. I lost a $65 tang because the suction Cups slipped on the glass and dumped all the water and fish on floor! Works great as fish trap though. Rather than that it is terrible.


Ask a question

Product Questions

How do you keep the temperature correct in the acclimation box if placed on outside? Drip acclimation is too slow to help with temperature. What would you advise to do with this kit? Once I know, I am willing to give this a shot!
Question by: Nick Hall on Sep 5, 2013 12:51:00 PM
Hey Nick,
The video is worth a watch for a really all encompassing instructions but in terms of your specific question, most drip acclimation is done quickly enough that the temperature won't be an issue. If your have a particularly sensitive piece of live stock and are doing a very long drip acclimation you can actually mount the acclimate box inside the aquarium itself.
Answer by: Bulk Reef Supply on Sep 5, 2013 12:51:00 PM