Mantis Coral Lens Mantis's Coral Colour Lens easily clips onto a smartphone or tablet, allowing you to use a coloured filter lens to photograph your corals, allowing your camera to adjust its colour balances - especially useful in marine aquariums with high blue LED lighting!

Marine professional Test kit for I2 iodine Iodine is a chemical element with the symbol I. Iodine is extremely important for most reef species, especially invertebrates require it to sustain their cell functions. The iodine concentrations in the different oceans across the world varies from 0.025 &ndash; 0.064 mg/l.<br...