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    Pool a dark green/brown after adding non-chlorine shock

    I opened my pool on Saturday. Added metal sequestrant and algicide and let the filter run 24 hrs then added a chlorine float with 3" tablets and started adding a gallon of 12.5% liquid chlorine nightly. I have a SWG but I haven't turned it on yet. I'm on well water, so I try not to add too...
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    Black / Dark Brown Pool Sand. Is this normal?

    I opened my sand filter to perform a deep clean in preparation for opening the pool for the season and I noticed that my filter sand is a very dark brown / black color. It doesn't look like the sand in the TFP deep cleaning video. I replaced the filter sand when I bought our house about 6...