Here are pictures, for those that were helping me:
Aeration! (to remove alkalinity -- remember, pH has to be lowered as well)
[PoolDoc note: These pictures were in a stand-alone thread from 2011, but I'm merging them now (2012) into the main in ground thread. I also added the explanatory comment about pH.)
Last edited by PoolDoc; 04-16-2012 at 12:34 PM. Reason: fix pics; merge into main photo thread
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