Store › Bio-Ag Bio-SuperSil 2.5 Gallon (2/Case) Image 1 of 1 Bio-Ag Bio-SuperSil 2.5 Gallon (2/Case) $88.00 0.5% Soluble Silicon-Organic Purchase Added! 0.5% Soluble Silicon-Organic You Might Also Like Quick View Bio-Ag Full-Power 5 Gallon $90.00 Quick View *United Nutrients Flower 0-15-25/ Micros $70.00 Quick View HyClean 20L by Hygrozyme $250.00 Quick View HyShield 208L by Hygrozyme $1,100.00 Quick View Hygrozyme Concentrate 20L $1,300.00