Bio-Degradable Polymer filter media.
Patent Pending Formulation
Developed exclusively by Warner Marine
Lowers levels of dissolved organics
Reduces Nitrates and Phosphates
Lasts up to 12 months
Safe, effective and easy to u...
Nitra-Guard BIO-Cubes V4 - 250mL (for aquariums 20-65 gallons)
The world’s fastest & most effective carbohydrate based nitrate remover
More economical & effective than any other product of it’s kind in the world…nothing ca...