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Heater is an older Raypak RP2100. Water Temp in 77F Water Temp out 86F Does this seem right? Thanks.

All last year the exiting water temp was either warm or barely warm. Some days the heater worked, other days it only put out very mild lukewarm water although the burner was on the whole time. All other aspects of the heater operation is fine. I'm guessing the Unitherm Governor is the problem...

Hi. Just opened the Hayward S240 filter and took this photo. I am replacing the sand and only found the S244T Hayward manual online which says 300 lb of sand for the S244T. Is the S244T model sand capacity the same as the older S240? If so, then I should buy 300 lb of sand? Does the sand level...

Do all the pH test kits use Phenol Red? If so, I'm guessing the accuracy between suppliers is similar. Is this true? Thanks.

FC = 10 ppm pH = 8.0 CYA = 35 TA = 90 CA = 170 Everything was going well then the Cl dropped to 0 on Monday. Tues added 8 ppm Cl Wed 1 ppm Cl, pH 7.8 Thru eve add 10 ppm Cl and 300 ml muriatic (37%) Fri morn still 10 Cl but pH is now 8.0 And, now the pool has a sharp Cl odor, not the usual...

Hi. I had to bypass the underground skimmer line because of an underground leak. I bypassed it using an aboveground pipe. Everything works fine except losing the skimmer now results in too many surface floaties in this area of the pool. I realize I need a skimmer here. Is there an after market...

Had a bunch of rain before the liner went in and the worms at night would crawl in the pool. Now, with the liner on, do the worms crawl under the liner and into the pool when it rains? If so, any tips to block the worms? Thanks.

Something has changed with with my older Raypak RP2100. The temperture of the return lines into the pool is significantly cooler than before. The return water is heated, but a lot lower. Pump pressure is the same, flow rate at the pool return is the same. The burners look the same. No fault...

Bought at the same busy Walmart with fast bleach turnover. Clorox Reg.- pH 11.98, NaOCl = 6.5% Great Value - pH 12.28, NaOCl = 5.65%

I'm using the old standard method. 1 liter water sample Add 10 mL of 20% sulfuric acid to lower pH. Add 10 mL of 10% potassium iodide Titrate with 0.1 N thiosulfate to faint yellow Add starch Continue titrating to colorless. mL of 0.1 N thiosulfate x 3.55 = total chlorine Should I be worried...

Hi. I need a pool cover and I have a Rocky's Eazy Roller. http://www.rockysrollers.com/3a.html I need one for the winter too. Is there a cover that will work as a vacation cover, winter cover, and will the hand roller? I don't need any solar heating. Thanks for any help.

Hi, I have a friend who has a handicapped 3 year old who wears diapers. I was told that she will be wearing water tight leak-proof diapers. Do these work? Just need some experience, guidance or reassurance. Thanks.

I added CYA to new pool water but under-added on purpose to not overshoot. I used the standard addition method to check CYA levels. 1) Make up 1000 ppm CYA standard 2) Add standard to 0.1 N NaOH for UV responsive tautomer form of CYA 3) Run UV response scan and note maximum wavelength abs (222...

I saw this product in Home Depot but I forget the price. They claim lower sodium hydroxide level than regular bleach which results in a lower pH. This could be a benefit if rising pH is a problem with heavy bleach adds in the pool. Am I correct...