Dalua Fresh - Filter Sock 4" 200 Micron Felt Killifish Use MultiTest: Marine pH &

Use MultiTest: Marine pH & Alkalinity to measure total alkalinity or Reef Status: Magnesium

On initial use and immediately after 50% weekly water change

particularly when trimming smaller leaves and stems such as grasses closer to the aquarium bed

but these socks help to bind phosphates and allow them to be trapped in the sock and then simply removed after treatment

Dalua Fresh - Filter Sock 4" 200 Micron Felt Killifish Use MultiTest: Marine pH &Dalua Fresh Filter Sock 4" 200 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