pH Brightwell Kalk+2 0 Review(s)  £11.21 Brightwell Aquatics Kalk+2 contains calcium, magnesium & strontium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous macro algae, etc. Add to cart
pH Brightwell Boost pH+ Plus 0 Review(s)  £11.95 Brightwell Aquatics Boost pH+ raises the pH in the Marine Aquarium / Reef Tank without increasing the alkalinity or calcium concentration (in tanks already having a proper dKH).Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult tanks without raising the alkalinity (when used as directed). Add to cart
pH Brightwell pH+ Plus 0 Review(s)  £13.81 Brightwell Aquatics pH+ increases the pH and alkalinity in the marine 7 freshwater aquarium. It is stronger than most competing products and composed of purified water and ultra-high purity materials. Add to cart
pH Brightwell Florin pH- minus 0 Review(s)  £7.93 Brightwell Aquatics Florin pH- safely decreases pH in the planted freshwater & marine aquarium, where for example macroalgae has increased the pH too much. Gradually decreases alkalinity ("carbonate hardness") of the aquarium water. Contains no phosphate or nitrate. Add to cart