
01/09/08, 11:17 AM
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Join Date: Sep 2007
Posts: 45
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Suitcase sally said.
Mtman, I agree with you. If using this water as a watering material, the plants will starve.
This is not entirely true. this depends on what type of medium you are using and its cation exchange rate, and frequency of fertilizing. nutrients in soil grown plants get alot of their nutrients from the soil decaying. 660 ppm water is very high, and can cause certain nutrient lock outs depending on whats in the water and their ratios to each other. Thats the problem, you dont know what that 660 ppm reading is made of.
One problem you need to be very care of is that once you do reduce that water to 0 ppms, depending on what type of plants you are growing, you may experience Calcium and Magnesium deficencies. This can be corrected by adding epsom salts back to the water before feeding to plants.
"Granny g said
Distilled water was never used at the greenhouse I worked at..what is it going to be used for"
It just depends on what you are going to be growing. I used to work for an orchid grower and 660 pm water could possibly kill some species in a very short time.
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