TAP/HARD is great for all hydroponic applications such as rock wool and grow stones. Being a more acidic formula, specifically for neutralizing alkaline water supply, (175+PPMS or .3-.7 EC). When you dissolve VEG+BLOOM in to your final volume of water, the solutions now contains all the essential nutrients for maximum growth potential.VB includes everything other liquid multi part nutrient contains in a one part powder. VB also includes what other nutrients companies sell as additives, such as amino, silica, fluvial acids and bio active growth stimulants. As a standard component at no extra cost or work.
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