Carbonit-P 250g MAGNESION making it an effective and

making it an effective and economical potassium source

and nitrite

Be sure to measure ammonia with a test kit featuring ammonia salicylate reagent rather than Nessler's reagent

such as head and lateral line erosion (HLLE)

Carbonit-P 250g MAGNESION making it an effective andPelletized Activated Carbon for all Marine and Freshwater Aquaria Overview Premium quality activated carbon, offering desirable physical and chemical characteristics for application in all marine and freshwater aquaria, featuring high capacity for the removal of latent organic material from water and minimal impact on pH. Promotes water quality by removing dissolved organic material, hence encouraging higher oxidation reduction potential (ORP).