Magnesium Pronto™ 250g new and does not release adsorbed

and does not release adsorbed substances

Little ReBorn is also a beautiful bottom substrate for reef aquariums

LittleRox® are irregularly shaped porous limestone rocks that can be used as bases for coral Frags

culminating in the groundbreaking Generation X line

calcium management

Magnesium Pronto™ 250g new and does not release adsorbedMagnesium 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.