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    Pentair sand filter valve port layout and install

    I'm looking to replace an old sand filter with a Pentair SD60 but I want to get an idea of what the plumbing will look like (i.e. make sure it will fit in the existing space) before going through the process of ordering the filter. Does anyone have a schematic or pictures showing the port...
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    Cal hypo loses effectiveness?

    My normal source of chlorine for the season wasn't available this year so I've been trying to find something else. I found 90# of 48% cal hypo on sale for $1/lb. Doing the math revealed that at $1/lb it was much cheaper than I've been able to find for any liquid chlorine around the Seattle...
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    Stenner ECON FP pump

    I'm looking into a bleach injection system as I would like to automate the daily task of adding bleach. I've read on here where a lot of people are building systems based on the Stenner Classic pump. It looks like a good option but I would like to ensure that no bleach is injected without...
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    Calcium chloride

    With a new house came a new pool. I've been lurking on this site for quite a while and over the past few days was able to successfully open our pool for the first time. Following the pool school instructions with a TF-100 kit couldn't have been easier. According to my tests my CH level is to...