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Re: Aquatic Plants Digest V4 #164

aI use "organic" powdered oystershell from the nursery center--cheap. 
It can be sprinkled over the surface or stuck in the media in a filter I
guess, but as Roger says, a mesh bag is probably best.  


> At the beach you can get shells.
> Calcium carbonate dissolved, but not real fast.  Calcium tablets might be
> easiest.  Chips and shells are best placed in a mesh bag in the tank and
> allowed to stay there until you get the GH/KH increase you want.
> Roger Miller