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Posted by Harry [99.16.78.6] on Monday, August 13, 2012 at 21:46:31 :
In Reply to: Re: Cleaning carbon out posted by Kaegi [24.16.253.154] on Monday, August 13, 2012 at 19:06:33 :
neighbor had a 413ht irrigation and on occasions would take a cup of wheat and pour down the intake while it was hard at work to romove carbon. I don't guess it hurt anything cause it ran for 21 years.