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		Orchid Board - Most Complete Orchid Forum on the web ! > ORCHID DISCUSSIONS > Advanced Discussion
Musings on "hard" water/ high TDS

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Aceetobe Musings on "hard" water/ high... 10-27-2008, 09:23 PM

Ray I think the CaCO3 and MgCO3... 10-28-2008, 12:59 PM

Aceetobe I was thinking more along the... 10-28-2008, 07:10 PM

10-27-2008, 09:23 PM

Aceetobe

Senior Member

Join Date: Oct 2008

Zone: 10b

Location: San Diego

Posts: 149

Musings on "hard" water/ high TDS

So...the question is:

What is it that slowly kills plants from water quality?

I understand sodium or bad pH killing plants, however I have a harder time understanding how precipitated calcium and magnesium are a problem.

Has anybody tried watering with a divalent cation chelator? Like EGTA or something of that ilk? It might be cheaper than RO water.

Also might help some of the problems that people get with semi-hydro media.

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cation, egta, plants, water, watering, tds, hard, musings

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