Check the listing for details. Athena Cleanse - 1 Gallon. Condition: New. Listed at 109.99 USD. Athena Cleanse is made from the ideal (and safe) root zone optimizing agents--Hypochlorous acid. This safe and mild acid is derived from salt and a proprietary electrochemical treatment process. The result is a unique, plant-safe chemical with powerful oxidative properties to keep your root zone clean and free of unwanted organisms and buildup. These special properties improve both mineral and oxygen availability in the growing media.Key FeaturesNon-toxic - Safe to use on plants in and stage of growthNeutral pH - Won't affect solution stabilityIncreases Oxidation-Reduction Potential (ORP)Breaks down scale - Keeps irrigation systems in pristine conditionReduces biofilm - Keep lines clear of dangerous organic materialVery low TDS - Doesn't throw off mineral balancePromotes robust root growthEffective as a final flush to clean growing mediaKeeps irrigation system cleaner and running efficiently longerReduces mineral buildup in media and linesIncreases oxygen and nutrient availability in growing media