Brightwell Katalyst 600g internal filter and run a small stream

and run a small stream of water through the plate

For framed and rimless aquariums

CCFL (Cold Cathode Fluorescent Light) technology runs cooler than traditional UVC bulbs to last up to 30

ADVANCED REGENERABLE NITRATE CONTROL

Brightwell Katalyst 600g internal filter and run a small streamPelletized Bioreactive Filtration Media for Nitrate and Phosphate Control Overview Bioactive filtration media, providing an ideal colonization substrate and a suitable source of organic carbon to beneficial microbes responsible for uptake of nitrate and phosphate. Helps decrease latent organic material, and hence nitrate and phosphate concentrations, in aquaria, greatly simplifying and improving nutrient control relative to methods based solely upon