Calcium is an essential mineral for us. Is it critical for our pets too? What signs might show calcium deficiency? How do I maintain good calcium levels in my pet's diet?
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 from yellow to orange to red alerting you to shifts in pH levels between 5.4 and 8.0. Freshwater use only.