Thread: gypsum
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Old 12-22-2001, 10:53 AM
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Ric Ric is offline
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Join Date: Sep 2001
Location: S W Florida
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The main reason for using Horticultural Gypsum is to clean exchange sites in the soil of undedesireable elements namely soduim. However it also cleans away the desireable elements N-P-K etc. We use horticulture gypsum on swim pool water spills or overflows to leach out the salts and acids from the exchange sites. We must come back with a complete fertilizer to refill those elements that are disireable. This is the only way I apply gypsum with out a soil sample test. Then only because swimming pool water is a common problem in my area. OOPs also when we have bad storms and sea water floods.

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