Crystal ATO reservoirs feature crystal clear acrylic to hold top off water for your aquarium in a closed container to help keep dust and debris out. The Trigger Systems ATO containers have a removable lid to prevent excess evaporation, while providing a large opening to refill the reservoir as needed.
Each ATO reservoir has two 0.25” OD holes for ato plumbing or wires for float switches.
6” long x 14” wide x 15” tall - Overall reservoir size
3 7/8" long x 6 3/8" wide - Opening to refill reservoir size
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.
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