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the decrease in magnesium daily)
10% Mg by weight)
Fish constantly excrete both dissolved waste (ammonia) and solid waste
Does not discolor the aquarium water or alter water parameters
Single Union Non Return Valve 32mm TMC Reef-Salt the decrease in magnesium daily)Single Union Non Return ( One Way) Valves fitted in line with flow actuation All Fastlight PVC U pipe and fittings are high quality, approved by the Water Regulations Advisory Scheme and fully reef safe. All pipe and fittings are metric and compatible with many other makes of metric pipe with joints connected using solvent weld glue. It is good plumbing practice to use the next size up Non Return (One Way) Valve from your pipework in conjunction with
