Seachem Alert Combo pH and Ammonia Sculptures This allows the doors to

This allows the doors to be aligned in three directions and easily removed for full access into the cabinet when maintaining external filtration

SK5000 XL - 115 x 4" Filter socks

helping to stimulate general detoxification enzymes

Comes equipped with John Guest Quick-Connect T-fittings

Seachem Alert Combo pH and Ammonia Sculptures This allows the doors toAmmonia Alert detects and continuously monitors free ammonia in marine or freshwater aquaria. The sensor, located in the center of the reference scale, changes reversibly from yellow to green to blue relative to the ammonia concentration. pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you to shifts in pH levels between 5. 8 and 8. 2. Freshwater