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As opposed to SWGs, this stuff actually is bad for plaster. Also bad for SWGs, when you have on. Dry acid adds sulfates to the pool... -
*also worth noting. On previous battles, you never proved they were over with an OCLT like you will this year. You stopped at...
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Donldson replied to the thread Green Pool after 3-days of SLAM.Filtration removes dead algae. If it's green then the problem isn't filtration. Mustard algae is yellow and clumpy. A green pool is...
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Donldson replied to the thread Drop In VSP Replacement for a JHPU1.5 (single speed)?.You'll find conflicting information on this, but that's largely because the answer is different between single/dual speed and VSP pumps...
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You should remain 5 to 7 degrees above the average of the last 4 to 5 days highs and lows. (What I got fairly near you) Or...
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They *work* great. Nobody ever said they *are* great. We all hate them something fierce but they're a necessary evil for anyone...
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This measurement question reminds me of when I first did this test and I thought to myself that the tiny baby scoop was probably the...
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Donldson replied to the thread Solar cover only (no heater)?.Of course it makes a difference, but it's not going to let a pool stay at 80 degrees when the air temperature is consistently below...
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Donldson replied to the thread 0 CYA and 0 FC. Need advise.I speak from experience: those tests aren't perfect and following the TFP method of dosing and testing is much safer. I'm sure I made...
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Donldson replied to the thread Is this the wrong filter sand? (Bait and switched!).Pure 20 sand is between 0.45 and 0.55mm, 20/40 sand is between 0.45 and 0.85mm. 20/40 should be just fine for any filter listed for 20.
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Donldson reacted to mknauss's post in the thread Testing pool for the first time using legit TFT 100 pro— thoughts on what to do next with
Like.
Do not commiserate over whether the pH is 7.5 or 7.8. Only real concern is if it is 8 or above, so violet/purple tones. Or below 7, or... -
Donldson replied to the thread Featured Raise ph before SLAM?.What is your TA level?
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1. If the sample turns pink, you have added enough R-870 and the test will work 2. If it doesn't turn pink, you likely have no...
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Donldson replied to the thread FAS-DPD question.What discrepancy? The k-2006 instructions are for a 25 ml sample with a precision of 0.2 ppm. The TF-100 instructions are for a 10 ml...
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