Aquaforest Micro E

Supplement contains concentrated heavy metals  manganese, vanadium, zinc, nickel, iron, chromium, cobalt & copper. Mixture of trace elements necessary for all marine organisms. Carefully selected ratio for optimal conditions. Dosage: 1 drop per 100l (27 US gal.) daily. Capacity: bottle of 10ml( 0.35 fl.oz.), 50ml( 1.7 fl.oz.).