I spent several hours looking for an inexpensive source of schedule 80 1/4" PVC pipe and fittings to make the air "sparger" outlined on the "Think and Tinker" website. I was pleasantly surprised with my experience with this website: http://www.usplastic.com They sold me 10 feet of 1/4" schedule 80 pipe, two end caps, two 90 degree elbows and one tee, for $11.97. There was no shipping fee. This is much cheaper than several other sources I found on the 'net. I thought this might be on interest to list members wanting to use cupric chloride etchant. (Other than being a happy customer I have no connection with US Plastics.) Grant
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Where to get schedule 80 PVC for air sparger for cupric chloride etchant
2003-04-01 by grantfair2001