What Is The Nitrogen Cycling Process?
More: Rapid Nitrate Reduction Water Change Method Reducing your nitrates from 100 ppm to 5 ppm can be accomplished in a few hours and uses far less water than doing repeated 20% water changes over time.
More: Top Nitrate Absorbing Products can reduce your nitrate levels to near zero without repetitive water changes. These products are easy to use and very cost effective.


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RE. (Do It Yourself) Automatic Top Off System , diagram Auto Top Off
Graphic by Stan Hauter showing :elec.float valve ,selenoid,power suply no explenation at all whats this for in manual