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Testing
RODI Water Filter
A multi-stage reverse osmosis and deionization filter that produces zero-TDS pure water - essential for reef tanks and beneficial for planted tanks.
Price: Mid
For: Both Essential gear $100-$500
📖 Overview
Tap water contains chlorine, chloramine, TDS, phosphates, silicates, heavy metals, and other unwanted contaminants. RODI removes 99% of them, producing pure water for mixing saltwater or reconstituting soft freshwater. Reef tanks require RODI to avoid algae issues and coral toxicity.