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Old November 27, 2009   #4
bionicman
Tomatovillian™
 
Join Date: Oct 2009
Location: Ontario
Posts: 5
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Thank you for the response. I monitored the water temperature all night and it did not go below 68F. The air temperature went as low as 66F over night. So you think the water temperature is preventing nutrient uptake? I checked the nutrient temperature of my deep water culture system where I have also been growing this variety of tomatoes and its the same temperature. Perhaps the act of spraying the roots makes it more difficult to absorb the nutrients?
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