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Re: [APD] Calcium carbonate
>From personal experience I would like to share that using powdered calcium
carbonate can, if used improperly, cause death to fish and critters.
When first moving to the Boston area and finding tap water with a Ph of 9.0
( yes the chemist at the water company shared with me that they used large
amounts of Sodium Carbonate) and Gh and Kh that was <1, i tried several ways of
adding Ca to the water. The Ph was never really a problem as Jerry Baker
mentioned but the lack of almost everything the water was a challenge.
I found that using pieces of cuttlebone in my canister filters worked best.
It provided a slow but steady supply of Ca and was never too much. It also
lasts long enough to still be there when filter maintenance is done; throw out
the old put in a new piece.. In beween i just forget about it.
Since starting to use it my plants have done much better and my snails and
cherry shrimp have thrived.
rich green
milton ma
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