Thread: gypsum in water
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Old 06-05-2007, 07:45 PM posted to rec.aquaria.freshwater.plants
Vreejack Vreejack is offline
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First recorded activity by GardenBanter: May 2007
Posts: 13
Default gypsum in water

At my new place the water seems to contain a lot of gypsum. I'm still
trying to guess how that is going to affect my new tank in the long
run. I think it might be harmless as the local nursery sells the
stuff as an inert additive to garden soil, but it leaves an
unattractive grey-white deposit on the bottom of a test bottle I just
evaporated. In the water heater it separates into sulfur and calcium
but I do not think that is going to happen in the aquarium.