Brightwell Calcion 250ml np product is sold by volume

product is sold by volume rather than weight

Manual water change function

One do-it-all advanced formula multipurpose solution

bottles with a capacity of up to 2 liters can be used as reactor container

composed mostly of carbonate and calcium by weight

Brightwell Calcion 250ml np product is sold by volumeConcentrated Calcium Supplement for All Marine Fish & Reef Aquaria Overview Highly concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide corals and other reef building invertebrates with one of the most important elements required for growth. Is ionic rather than chelated, and contains no unwanted organic material such as EDTA, gluconate, or polygluconate. Over 50% stronger than most competing