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.
Worth knowing: Do not overtighten the screw, otherwise the cover might be damaged.
$159.00 AUD
$46.95 AUD 
