XP Aqua Sumpless ATO2 Reverse Osmosis Filters Connect the drain plumbing

Connect the drain plumbing

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giving more fixture-spacing room than the compact rail while keeping the setup proportional

Mount power supplies in a dry

XP Aqua Sumpless ATO2 Reverse Osmosis Filters Connect the drain plumbingXP Aqua Sumpless ATO2 XP Aqua Sumpless ATO2 is a complete automatic top off and surface skimming system designed specifically for aquariums without sumps. It combines XP Aqua's dual optical sensor ATO with a magnetic Flexi overflow box, surface skimmer, media chamber, ATO pump, and reversible DC pump to help stabilize water level while improving surface clarity. XP Aqua Sumpless ATO2 for Aquariums Without Sumps Most automatic top off systems work best