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Thank you!

My ph keeps drifting up so I wondered if I should lower my TA FC 5 CC 0 TA 115 CA 275 PH 7.8 CYA 30 the recommendation is 70-90+ my pool gets a lot of sunlight gunite pool should I lower TA and to what? thanks; Lori

Thank you everyone!

Thank you!

Pool is 25,000. PH was 7.8-7.9. I had used between 3-6 cups from the gallon of muriatic previously so it wasn't a full gallon. Just added 30 mins ago so haven't tested again. - - - Updated - - - TA 105

any suggestions?

The stains are metal. And I passed the OCLT test! Thanks to everybody who took the time to help me. It took 2 weeks and 18 cases of chlorine but I feel in control now!

I didn't think of that but yes we have ants in the cracks of concrete around our pool with little sand piles!

Thank you. I cleaned out the light housing and they were indeed filled with algae. So I'm still working on the slam. Last 2 nights lost 2.5 FC. Have passed the other 2 tests days ago. You said not to raise to mustard levels until slam is complete so I'm assuming I can pass the OCLT with mustard...

Is this mustard algae? It will not brush off

Ok maybe a dumb question. If I'm going to clean out my pool light housing just shut off the circuit breaker to the lights and clean while the lights are fully under water? Talk to me goose...

Ok; so the yellow stain is probably just a stain? Another reason I asked about mustard algae is because I get little piles of sand on the floor if my pool. I rubbed it between my fingers and its grainy. How would I get this in my pool? I also notice this when I clean my filter housing. There is...

Been slamming since July 5th. I have a couple yellow stains on my wall that will not brush off. I'm thinking yellow algae can be brushed off? My hot tub when running would get a slimy yellow substance on bubbles that looked like pollen. Also a green slimy goo at water line. These problems are...

Re: Biofilm at water line of hot tub Thanks Joel!

Re: Biofilm at water line of hot tub thank you!!!!

Re: Biofilm at water line of hot tub So; I have the ahh-some. My hot tub is attached to pool. So I close my valves to pool and open to hot tub and add the product and let run thru my filters and heater and back to hot tub for 30 mins? Then drain my hot tub, refill, and start the system back up?

Re: Biofilm at water line of hot tub yes I have a pump and I will do that. Thanks!

Re: Biofilm at water line of hot tub Ordered! Thanks guys! - - - Updated - - - Not sure about fresh fill? Attached to 25,000 gallon pool?

Biofilm at water line of hot tub Day 4 of slam. Do you think this is algae in biofilm or copper? Had pink slime 3 years in a row. Never fully treated it. Only see this when hot tub "running". during the day I run the pool 1/2 the day; the hot tub the other half; then just the hot tub all...

Ok thanks!

I'm in the middle of a slam. 14FC 1.5CC Ph 7.7 TA 130 CYA 50 Calcium H 210 should my Ca Hardness be higher with a gunite pool? thanks; lori

I added 5# soda ash between 2-2:30. My ph at 8pm is 7.0 TA is 105. Should I add borax or wait till tomorrow?

Free chlorine staying high(all I have is powder left) ph coming up 7.2. TA 110

Ta 100

Ok. Pool Math says just under 5#

how do I know exactly how low my ph is when the tested starts at 7.0?

Nothing on label, called pool store they said soda ash. Told me to put in .75#