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Magnesium is present in natural sea water in fairly high concentrations (1350 - 1500 mg/l)
Maximum recommended dose is one level scoop for each 5 gallons (US) / 4 gallons (Imp) of tank water per day
installation
Bio Calcium
Use in am well ventilated area
Aqua habitats air 60 air pump Reef Roids Magnesium is present in naturalAir pump 60 litre A high performance air pump which is extremely efficient with quiet and unobtrusive operation. Using high quality components to ensure long lasting, continuous use with a compact design. Simple to install and maintain with easy to replace air filter and diaphragm. Pump Specification: Pumps 60 Litres per hour. Recommended for tanks up to 50 litres
