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Hello all. What does it generally mean when your instant salinity (from my SWG) is 3000 but a manual salt drop-test is 3600? My Hayward T-Cell-15 is just over 3 years old and I've never had any issues with deposits on the plates and my instant salinity readings are consistent with both...

After managing my newly constructed pool for a year, all my chemistry is quite stable with minimal effort on my part. Much of my success can certainly be attributed to TPF members and this forum. My only issue is a persistent rise in pH. I find that it wants stabilize at around 8.3. Have been...

This is a total mystery to me because I don’t know how this can happen with what seems like a very simple drainage system. I have a vertically orientated PVC pipe within an enclosed cutout in my deck which my pool water runs into from a bottom access hole. When my water level gets higher than...

What’s the best way to check if my SWG is working correctly? My SWG is about 6 months old and when I visually check it, it looks fine with no obvious scaling. I acid-washed it about a month ago because I suspected it wasn’t working well and wanted to try something. I’ve been told by the...

What is the suggested frequency for brushing and/or running my Dolphin Active 30 robot? And how much manual brushing is necessary if I have a robot? I assume I need to catch the areas the robot misses, such as my Baja shelf with 1 foot of water, but is it wise to manually brush beyond this to...

After successfully slamming my pool about 6 weeks ago I have been over-testing my water to ensure I maintained my water chemistry. Everything seemed to be quite stable but woke up to some cloudy water yesterday, so ran an OCLT last night and my FC was only down 1 ppm and my CC remains at zero...

Hello all. I've been doing my own testing for 2 months now. I use the TF-Pro kit. My issue is interpreting my CYA results through the clear view tube. It other words, when has the black dot disappeared? I try to stand outside with my back to the sun which creates a shadow in front of me...

I've been able to keep my pool quite stable recently, but I've suddenly noticed an increase in chlorine demand. It could be the heavy rains recently but I've also had a dog in the pool. The only obvious impact is the hair on the surface of the water. How does a dog typically impact a pool's...

I have a new TF-Pro test kit. In it, the provided instructions say after adding my pool water and R-0013 to "Mix then wait at least 30 seconds. Shake once more." Alternatively, this TFP page providing CYA test instructions simply says to "...shake the mixing bottle for 30 seconds". A...

I haven't invested in an automatic pool cleaner yet. I've read many positive reviews about robot cleaners -- not so much on suction cleaners. My pool is 10k gallons and sits inside a screened-in enclosure, so I don't get any large debris. What I don't enjoy is manually brushing and vacuuming...

I started my SLAM 3 days ago after I failed an OCLT and the water was a bit cloudy. The water was crystal clear the next day, I’ve brushed & vacuumed daily and I’ve maintained my FC levels as recommended for a SLAM (16 with a CYA of 40). CYA was in the 70-80 range but I replaced about 1/3 of...

I'm nearing the end of a SLAM and wonder if a moderate amount of rain tonight could negatively impact the results of an OCLT that I plan to do tonight. Any thoughts are appreciated. Thanks Bill

After initially testing CYA prior to starting a SLAM, is there a need to retest CYA during the process? Or can I limit such subsequent testing to FC and keep it at the originally set FC target, based on the initial Chlorine/CYA ratio? Thanks Bill

I'm very new to this and could use some advice. I continue to lose FC, even though my CYA level is at 80. Here are my TF-Pro test results from yesterday: FC - 1.5 (FAS-DPD) CC - 2.0 pH - 7.5 TA - 90 CH - 325 CYA - 80 Salt - 3600 (my SWG reported 3500) Water Temp: 83 After these results, I...

I'm very new to managing my pool and ran my first set of TF-Pro tests today. Everything seemed reasonable, except for salt and CH, with a 49% water replacement suggested to correct CH! The plaster pool is only 5 months old. I would appreciate any advice on what I should do. Here are my test...

My wife and I are new retirees, living in The Villages, FL (NW of Orlando). Our SWG plaster pool of about 10,000 gallons was completed this past January. Since then I've used a couple different pool service companies and am now convinced I can do it myself, especially after discovering this...