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Old 02-04-2009, 02:05 AM
Ron Ron is offline
Senior Member
Join Date: Jan 2009
Posts: 1,285

A man-made clay fired ceramic material

I have grown 10 ft. tomatoes plants in a 2 qt. pot of grow rocks.

Won't matter as long as the volume is their.

The rain flushing would be good for your plants but will dilute your solution if it isn't redirected when it rains.
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