RO/DI & Auto Top Off

Shop RO/DI & Auto Top Off at Lush Corals

Shop RO/DI water filtration systems and automatic top-off equipment at Lush Corals, including reverse osmosis systems, replacement filters, DI resin, ATO systems, water level sensors, and accessories from trusted reef aquarium brands.

Clean, purified water and consistent salinity are essential for a healthy reef aquarium. Our selection of RO/DI systems and automatic top-off equipment helps remove impurities from source water, replace evaporated water, and maintain stable conditions for your fish and corals.

Earn 1% Back in Rewards Points + Unlock 5–10% Off Livestock for Life

Earn 1% back in rewards points on qualifying purchases in this category. Your qualifying spending also counts toward lifetime VIP status. Unlock an additional 5% off eligible livestock for life with Torch VIP at $2,500 in qualifying lifetime purchases, or 10% off with Holy Grail VIP at $10,000. VIP discounts stack with eligible sale prices, subject to program terms.

Explore Lush Reef Rewards →