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An Auto Top Off container is perfect for holding a fixed amount of top off water. An appropriately sized ATO reservoir would be able to supply your tanks ATO needs for a few days if not weeks, while not being too large to cause a big salinity swing or flood the sump if the top off pump were to get stuck on.
Most auto top off units will come with a pump that will need to be in the reservoir to pump water to the aquarium. The Trigger ATO units come with a super wide opening to allow a pump to be placed in the reservoir while having small 0.25” holes for the tubing to be routed.
Crystal 5 – 6” long x 14” wide x 15” tall
Crystal 10 – 10” long x 16” wide x 15” tall
Ruby 5 – 6” long x 14” wide x 15” tall
Ruby 10 – 10” long x 16” wide x 15” tall
Emerald 5 – 6” long x 14” wide x 15” tall
Emerald 10 – 10” long x 16” wide x 15” tall
Perfect for Tight Spaces By Mical on 6/29/2017Mical would recommend this product to a friendI purchased this for 65 gal reef and was perfect size for tight space I had near tank. It's well built and 5 star quality. Yes it's a little pricey for top up tank but it looks much better than a 5 gal bucket next to display tank.
Trigger ATO Reservoir By Allen on 5/6/2017Allen would recommend this product to a friendGreat product and doing its job as expected
Great product By Strat1960s on 2/16/2017Strat1960s would recommend this product to a friendI have a 50 gal cube tank and needed an ATO reservoir. I'm limited on space, so the Trigger Systems 5 gal crystal reservoir was the perfect option.
The reservoir sits on the floor between my tank stand and guitar amp. Risky??? I am completely confident the reservoir will not leak.
The lid keeps moisture inside the reservoir while preventing dust and dog and cat hair from falling inside and making its way into my sump and tank.
Nice Product By Eagle1 on 5/7/2016Eagle1 would recommend this product to a friendI have had this in operation for 3 weeks now, am I glad I purchased this product, clear, well built, I had to enlarge 1 hole for the tunze fill line but other than that no leaks, no issues, seems to be well built,
Very good reservoir By Carlos Vicente on 4/22/2016Carlos Vicente would recommend this product to a friendVery good all around construction.