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The API GH & KH Test Kit provides precise measurement of general hardness (GH) and carbonate hardness (KH)
Suitable for various small pond fish species
the magnet bears the 'Fish R Fun' label
Corals and clams that appear to shrivel or close under intense lighting are attempting to shade their zooxanthellae crop to reduce the rate of oxygen production
a form of carotenoid
Eheim Skim 350 Aquarium Surface Skimmer Dispatch_5 - 7 Working Days The API GH & KHThe Eheim Surface Skim 350 effectively maintains crystal clear water quality in aquariums by eliminating the film that naturally occurs on water surfaces. This film may comprise micro organisms, dust, oils, and food fats, impacting the overall health of the aquatic environment. Designed for both continuous and short term use, the Eheim Surface Skim 350 is ideal for small aquariums up to 350 litres. Powered by only 5 watts, it is a highly efficient