Recent content by Derosa

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    skimmer suction line

    Is it necessary to plug the skimmer suction line and equalizer line when draining pool below skimmer with submersible pump? That way u don't lose prime when u fill it back up.
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    Calcium Hardness

    austin, texas fill; Austin tap water is considered moderately hard. Hardness testing conducted throughout 2011 showed we have an average hardness of 98 milligrams per liter or about 5.7 grains per gallons.
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    Calcium Hardness

    current temp 86, keep pool open all year. RO would be nice but it might be higher than partial drain and refill. When draining, how much do u drain, 50%? Drain by backwashing cause i would have to rent a suction pump. thanks
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    Calcium Hardness

    CH has increased over time to 415. At what point do i need to drain a little and add new fill? Water is very expensive where i live. I'm guessing the calcium came from the city water since i only use liq chlorine, acid, backing soda. from pool school; A plaster pool should have CH levels...
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    High TDS

    Do my own testing with Taylor kit but had the store check it cause i needed to talk about another issue i have with the plaster. -chlorine pool Test results FC 4 TC 4 CC 0 PH 7.2 Hardness 410 AKL 80 CYA 30 Copper 0 iron 0 TDS 2400
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    High TDS

    Been using the BBB method for 10 months on a new water fill. Over this time the TDS (Total Dissolved Solids) has grown to 2400ppm. Pool store says this is from the liquid chlorine (Liq chlorine has a bunch of junk in it?). This has risen the saturation index to -0.44. Pool store says the only...
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    Pool contractors answer to Gray Mottling

    BINGO found this article which describes the issue. http://www.poolhelp.com/handouts/oB_Hyd ... andout.pdf -This discoloration develops over time, and usually appears sometime in the first year. -No change in water chemistry stops the progression of the discoloration. -"excessive hydration”...
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    Pool contractors answer to Gray Mottling

    I have not used anything other than Liq chlorine, acid, baking soda. Got another email from contractor (below) that didn't make sense so i took it to pool store along with some water. He looked at current water sample and noted no issues other than the liquid chlorine I’ve used has increased the...
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    Pool contractors answer to Gray Mottling

    Gray Mottling=Plaster discoloration. New plaster 8 months ago. Always followed BBB method. Finally got contractor to take a look at why pool plaster has lots of discoloration. Never added Borate, didn't think it was necessary. Only fill pool with city water. Test water 5x week, 1x month compare...