Dalua Fresh - Filter Sock 4" 10 Micron Felt Marine Test Kits The new R290 model offers

The new R290 model offers a 30% reduction in power consumption over the previous model

embodying the highest standards of craftsmanship and quality

Triple Dosing Holder

iodide becomes unstable converting to elemental iodine (which is biocidal)

Dalua Fresh - Filter Sock 4" 10 Micron Felt Marine Test Kits The new R290 model offersDalua Fresh Filter Sock 4" 10 Micron Felt Keep your aquarium fresh and crystal clear! 3 socks from Blue Life to help maintain the clearest of water. 200 micron filter sock great for general everyday use, reusable and made from polypropylene so you know they'll last a long time even when bleached regularly 10 micron filter sock works perfectly with the Blue Life Phosphate RX to immediately drop phosphates. Use in emergencies only, but these socks help