Rock Wool

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kareoke Greensburg, IN(Zone 6a) Sep 13, 2004

need some help, I puchased 200 1x1 squares to start seed, how long do you soak the RW and can I put them right into plastic bags.

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smiln32 Oklahoma City, OK(Zone 7a) Sep 14, 2004

Soak the cubes in water for 24 hours before sowing seeds to adjust the pH and thoroughly moisten the cubes. Use seeds that are known to grow well hydroponically. Check them daily and remove the cover as soon as germination occurs. Immediately upon germination and place the seedlings under light.

There is a wealth of information on the web about hydroponic gardening. I found this out with a quick search.

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kareoke Greensburg, IN(Zone 6a) Sep 14, 2004

thanks smiln32 I kept searching, found a lot about Rock Wool but not how long to soak befor putting in seeds

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