Boyd Enterprises Chemi-Pure Aquarium Filtration Media, 5.5-Ounce, Blue (5.5 oz)

Amazon.com Price: $10.26 (as of 22/03/2022 01:28 PST- Details)

AMAZING ORGANIC removing media as well as SUPERIOR phosphate control in an easy to use nylon bag
CONSTANT pH control, with quick rinse carbon
Designed primarily for Marine aquariums, Chemi-pure Blue preforms best in hard, alkaline, high pH type systems, such as African cichlids, Goldfish and Koi can all benefit