General Hydroponics FLASHCLEAN is a salt clearing solution that is unique in our industry. FLASHCLEAN is formulated to remove fertilizer residues that can accumulate over time in hydroponic systems, growing media, and potting soils. It is safe for use in all systems and media while plants are growing. It can also be used between crops to clean the systems from accumulated salts. Unlike other products on the market, it is not enzyme based and uses a completely different technology.
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