Magnesium Pronto™ 500g Rock A reaction produces heat and

A reaction produces heat and forms an instant

The pump comes complete with airline

His creative vision and love for aquariums inspired him to design the first-ever designer aquarium lamp

An excess of heavy metals in the water is toxic to aquatic life

Magnesium Pronto™ 500g Rock A reaction produces heat andMagnesium Pronto is a fast dissolving blend of anhydrous magnesium chloride and anhydrous magnesium sulfate that makes it easy and economical to rapidly raise the magnesium ion concentration in aquariums. Supplemental magnesium is often required for reef aquariums because corals, clams, snails, tube worms, and calcareous algae extract it from the water. Packaged in 250g, 500g, and 1 kg jars. Bulk sizes also available.