Hydroponics Forums Discussions - can grow rocks be re-used?

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boatload

02-06-2009 12:54 AM

can grow rocks be re-used?

can grow rocks be re-used? And if so for how long, how many crops.

Thanks

Ron	02-06-2009 12:55 AM

Grow rocks can be used forever. Just clean them between harvest with a ten percent bleach solution.

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