Recent content by Johnklavanian

the scraper/my fingernail does scrape it off, but what comes off disappears immediately, there is no debris to wipe on the towel. here are test results from just now; FC: 4.2 combined C 0.6 ph 7.2 (I just added 1 cup of soda ash now) total Alk 60 CA hardness 300 this is from the Taylor...

hello I'm trying to figure out what to do about these black dots. they are only in one area of the pool by the ladder. they showed up randomly last week. they do not brush off. I tried using the hth stain protector and treating for algae. I also shocked the pool. it has not changed at all. I do...

Thanks! Got the taylor test kit: FAS/DPD: free chlorine 0; combined chlorine 0.4; total chlorine 0.4- this is with a new full autochlorinator using 3in pucks set to highest flow speed. pH: 7.4 TA: 90 CA hardness: 440; saturation index 0.15 CYA;: 60 I had a pool company out and they said the...

Hey all. Having a terrible problem with 0 total and 0 free chlorine on test strip kit and also reagent kit. Other levels all normal range: pH 7.4, cya 40, total alkalinity 120. 42k gallon in ground granite pool. It all started with a green algae bloom approx 1 month ago. That resolved with a...