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It's my understanding that CH isn't as big of a thing to monitor in fiberglass pools. Both my installer and a company I had test my water at the beginning on a spectrometer. Is that correct? It tested today at 150ppm and Pool Math says the "ideal range" is 350-550. I haven't done anything for...

Just a general question, no specifics. Can CYA increase without adding anything to the water? Or does a CYA "increase" without chemicals just exhibit an error with the testing? I know the CYA testing is somewhat the most "subjective" (when exactly does the black dot disappear?), so if you...

Quick post: My heater is saying that the water flow rate is too low to operate when my pump is running at 1800rpm. The max on it is 3450rpm. Filter doesn't need cleaned out. Pump is a good 50 feet (maybe more) from the skimmer. Any thoughts? Thanks!

So I have concrete streaks and a film from the sticky stuff that the concrete forms had on them all around the edge of my pool. I bought the standard Mr. Clean Magic Eraser, but it didn't do anything. Any suggestions? Thanks!

Tested today as my son is having friends over on Saturday. If I need to add any chemicals, I wanted to do it today. pH - 7.8 FC - 5.5 CC - 0 TC - 5.5 Calcium Hardness - 200 Total Alkalinity - 100 CYA - 50 Salt - 3400 Water Temp - 72 degrees Pool Math is recommending 30 lbs of Calcium Chloride...

Second week of testing and this is where everything stands (using TF-Pro Salt testing kit): pH - 7.8 Salt - 3400 FC - 7.5 (chlorine has been high because I added liquid chlorine last week upon the recommendation of the pool store because we were absolutely inundated with rain and he wanted to...

What does everyone use to protect their floors inside their house? We just had our pools installed and anyone that needs to use the restroom will have to walk through our kitchen to get to the bathroom. The flooring is hardwood that we had installed a few years ago. Wondering if there's any...

Brand new, first time pool owner in Southeastern Indiana. Wife and kids are very excited! Been feeling overwhelmed this week, but this site has been a godsend already. Thanks for that! Specs - Thursday Pools - Aspen 16'x40' (fiberglass) - 13,090 gallons (appx.) Pentair system - CC150...

Just had our pool installed last month and all of the equipment was fired up Monday. This website and the forums have already been a blessing! Looking to get some guidance. Specs - Thursday Pools - Aspen 16'x40' (fiberglass) - 13,090 gallons (appx.) Pentair system - CC150 filter; Superflo...