D-D Coral Colour Lens XL VITALIS This refractometer unlike some cheaper

This refractometer unlike some cheaper alternatives is specifically calibrated and designed for seawater testing so is ideal for your marine tank

Often processes other than coral mineral consumption deplete alkalinity and although reefer use balanced dosing methods they have a disporportionate carbonate and bi-carbonate consumption when compared to other minerals like calcium and magnesium

For further specifications

meaning that you can view your beautiful fish and corals with added clarity

The Curve 5 Extreme model is suitable for aquariums up to 500L

D-D Coral Colour Lens XL VITALIS This refractometer unlike some cheaperPhotographic colour adjustment lens for larger format multi camera smartphones, tablets and 52mm SLR camera lenses. Taking pictures of a saltwater tank can be difficult with the high amount of blue used in modern tank lights. With this handy clip on lens, the high levels of blue light are filtered out allowing you to take better photos, showing more natural coral colours without having change light or camera settings. This larger 52mm photographic