Member discussion regarding the methods, varieties and merits of growing tomatoes.
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November 3, 2016 | #30 |
Tomatovillian™
Join Date: Feb 2015
Location: NC - zone 8a - heat zone 7
Posts: 4,919
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vermiculite is moisture absorbent. As it does, expands in volume.
If you want better drainage and add perlite, adding vermiculite is defeating the purpose. JMO If I want tp improve moisture retention but not compromise drainage I would add floor dry , a baked DE sold at auto parts stores. I have used UltraSorb (from O'Reily )brand in my 511 mix in the past.
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Gardeneer Happy Gardening ! |
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