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Just filled the pool and CH registered 200, the water never really heats up more than 86-88 degrees in the summer months, 88 after a long hot spell.

Passed OCLT! This mornings readings are, FC=12 CC=0 PH=7.5 TA=110 CH=200 CYA=20-30 (2 different tests!) CSI=0 Im gonna wait for FC to drop to7, drop PH to 7.0-7.2 and aerate (may have to repeat to get TA down to 90). Calcium Chloride to get CH to 250? Does it come in liquid? I have never...

I ran 2 different CYA tests using the TF100 and Pentair Rainbow CYA Turbidity test, and i got 2 different results. TF100= -20 still can see the black dot Pentair= almost 30 Which one is correct?

Ran OCLT last night and lost 1.5ppm of FC. This mornings readings: FC=12 CC=0.5 PH=7.5 TA=110 CH=200 CYA=20 black dot just about disappears CSI=0

I did an OCLT last night just to see and lost 3.5ppm of FC, gonna do one again tonight. I got my PH down to 7.5 but TA did not budge, still at 120. Pooldv, 60-80 on the TA? 90-120 is what is recommended i thought. Although, it says 70-90+ above my (now/target) in Poolmath.

Thanks Pooldv! according to poolmath if i lower PH to 7.5, TA 110, and CYA 30 it would put my CSI at -0.1, Sound about right to you?

So i started filling the pool on friday around noon and dissolving CYA granules (75oz.), it was almost full by 10p.m. that night. Yesterday i finished putting the filter back together, did some plumbing, and installed the IQ20-RS board, continued filling, chlorinated, started the system, added...

I need one of those 2speeds or VS's, but that is a whole other topic. Thanks!

Thanks Pooldv! Do i have to run the pump 24/7 during the SLAM?

ping - According to Poolmath i need 75 oz. of CYA granules to get to 20. When I am done with SLAM should i bump it to 30? Im gonna fill an old sock with the CYA and hose clamp the hose in the sock as the pool fills. I am open to suggestions. I appreciate all of your guys feedback! - - - Updated...

YippeeSkippy- I have the TFP test kit. Did i have to much copper and iron in my water. Should i have 0?

Hello, finally got the no drain acid bath done and I am draining as I am typing. i definitely had an algae problem before i did some repairs to the spa and did the acid bath. I just need some advice on getting chlorine and CYA immediately in the water. Should i start dissolving some CYA as it is...

The scale is definitely not as bad as it was in 2009, the walls, tile line are scale free but the steps, spa steps and benches, and floor have some build up and thicker patches here and there. The local pool place says that CH out of the tap here is 400-500, and I have to add water often due to...

One other problem that just sprung up is or was a bad algae bloom. My wife had a some friends and kids over and had the spa running and heated. She turned off spa mode but not the heater, and proceeded to heat the pool for 3 days right as we were getting a heat wave on top of it all. I never saw...

Thanks for the reply pooldv! So is it safe to leave the acid in the pool and spa for 3 days with repeated scrubbing? Is the aggressive water you are referring to safe to swim in?

Hey all, The last time I acid washed my pool was in 2009, The scale was really bad around the tile line and a lot had buildup between the pebbles. I remember the guy was concerned about acid washing my pebbletec he had asked me if I had ever done before, which I never did. He...

Matt, the pump sounds quiet and it is a single speed. Although i just discovered its only a 1hp, my previous pool guy switched it out last summer and told me we were going from 2hp-1.5hp. he said it was a good used one from one of his accounts. :confused: Why are pics upside down?

Matt, Thanks for the reply! I do not have a check valve between pump and the filter, it did not have one before i put the FNS in. As far as air leaks i dont think i have any, i started the pump and immediately opened the air relief valve to see if there was air in the filter and water...

Well its been 3 weeks and I am still getting that initial plume of DE when the pump starts up. I stopped by a local pool place and the guy said that my 1.5 hp pump needs to be changed to a 2.0 hp. something about not packing the DE well enough to the grids, my previous Pentair 2060 was doing...

will this robot clean pebbletech as well as a brush does, i noticed that it has those rubber flaps.

i thought it would subside after 2 weeks also after i installed the new filter, thats why i took it apart yesterday. Yes i just have that plume that lasts for a few seconds, definitely not continuous. i will let it run till tomorrow morning and see what happens in the next several days. Thanks!

Matt, Do i need to start all over or can i let it run for 24 hrs. since i just slapped it all back together yesterday?

Thanks for the replies! i put the recommended 6lbs. of DE, i have the backwash valve for the FNS filter, and the screen on the air bleed is intact and did have DE on it when i took it apart, i did 2lbs. of DE at a time mixed in a bucket with water and poured through a skimmer (3 buckets), i ran...

Hello, i recently retired my Pentair 2000 which was a great filter with a Pentair FNS 60, upon adding DE i noticed some returning into the spa, which i understand can be normal initially. A few days later i was skimming the pool, which by the way was looking great, when the pump turned on and i...