The Gardeners' Knowledge Hub

Amber silica supplement dosing bottle, 1 mL syringe and digital pH pen on a grow room bench beside a hydroponic reservoir with white drip tubing and emitters.

Silica for Plants: Mono-Silicic Acid Earns Its Price on Drippers, Hard Water and Bloom Feeds

additivesChristopher McDonald
Both silica chemistries end up as silicic acid in your reservoir. What the mono-silicic acid bottle actually removes is a pH swing, a precipitation risk and a potassium load you did not ask for.

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