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>>I am trying to keep some particularly delicate native fish. I have
>>found that I need to add a bit of salt to the water to help with
>>some problems. If I remember right I read that most plants can't
>>tolerate salt even in low concentrations?
>Seachem has a product called Live Bearer/Brackish Aquarium Salt. They
>say it "is not just another rock salt or sodium chloride. It is a
>blend of the major ions found in estuary waters and is ideal for live
>bearers and brackish fish as well as ideal for use as routine
>aquarium salt. Since it contains much less chloride than regular
>aquarium salt, it can be used in planted aquaria as directed without
>adverse effects on most plants." I have not used it yet but I'm
>considering it for my son's platy tank to be. If anyone has tried it
>I'd be interested to hear from them. Hopefully this helps.
Since brackish water is simply diluted seawater, my guess is this
product is merely sea salt, like marine aquarium keepers use. I would
also venture to guess it is more expensive ;-). I'd pick up a bag of
Instant Ocean and use that instead.
Sea salt is composed of 84% NaCl (by weight), so you aren't really
getting that much less NaCl. I heartily agree it is superior to rock
salt, though, as it has Ca, Mg, K and many other useful ions.
I am curious what native fish Kudzu is trying to keep. If they are
brackish, why not set up a brackish aquarium and plant Caulerpa? They
can tolerate salinities as "low" as 10% sea water. The fish will do
well there also, up to full strength sea water.