Fluval FX4/FX5/FX6 Water Polishing Pads (3pk) Quick-Clear Glue Reef Builder™ raises carbonate alkalinity

Reef Builder™ raises carbonate alkalinity without immediately impacting on pH

Designed with attention to detail

PhosGuard™ is not an exchange resin and does not release anything into the water

Contains 12 Fatty acids (20% of dry weight)

Occasional live or frozen foods: daphnia

Fluval FX4/FX5/FX6 Water Polishing Pads (3pk) Quick-Clear Glue Reef Builder™ raises carbonate alkalinityFluval Water Polishing Pads are specially designed for Fluval FX4, FX5 and FX6 high performance canister filters. These extra thick, micro fine polyester pads effectively trap micro particles and debris as water passes through. The pads are ideally used when cloudy water occurs or after tank maintenance to produce crystal clear aquarium water. key features Mechanical filter media Produces crystal clear aquarium water Extra thick, micro fine polyester