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I am using pool calculator. My water temp fluctuates between 80 and 89 degrees. I am concerned about achieving the right alkalinity without raising the PH.

I have been using the pool calculator for several years and I like it...My latest pool number as of today are...salt level 3400...free chlorine 11.... PH 8....alkalinity 90...cyanuric acid 60...calcium hardness 475......The pool calculator says that scaling is likely the CSI is 0.44 scaling...

Hi Pat, I appreciate you taking the time to clarify your answer...I am running my pool pump 12 hour per day at 1600 rpm. I am going to lower the alkalinity into the 60 to 70 range...Thank you

Hello Pat... I know my numbers are good overall. The pool water is perfectly clear... Are you suggesting that I lower the alkalinity to 60 or 70 and that this will lower the PH?

My test numbers today are: salt content 3400...free chlorine 11...PH level 8...Alkalinity 80...CYA...80...Calcium hardness 325...Pool Math recommends 18oz. of the muriatic acid. I am trying to keep the PH at 7.4 but this goal is hard to achieve. I am adding Muir acid every 3 days...Any suggestions

Thank you for your advice. I have turned the salt cell down to 17%.

I add 16 ounce of muriatic acid every 3 days to keep PH range between 7.4 and 7.8....

CYA 70

Salt level is 3900...Free chlorine is 14....PH is 8....Alkalinity is 70 calcium hardness is 375..... The interesting thing is the Free chlorine at 14. The Pentair IC 40 is only set at 20%....

My PH seems to go to 8 after 3 days. My alkalinity is 70. Would it be a good idea to lower alkalinity to 60 to lower the PH??

It is interesting that you say that. I do not know where the PH stays because as soon as I see it go to 7.8 I adjust it back to 7.4 or 7.6...I appreciate you help, Thank you

I just tested the TAP water alkalinity...It is 70

I appreciate your help. Is it normal to have to adjust PH every 2 or 3 days?

I have confidence in the test numbers...The pool size is 12,000 gallon.

When you say be careful... are you suggesting I should raise the SWCG output higher than 20%...

I adjust when the PH hits 7.8. I have been trying to keep PH at 7.4.

Hi, My current pool numbers are compiled using the Taylor2005 test kit with the addition of the R 0870 DPD powder to test Free chlorine. I am also using the Taylor salt water test kit for salt content. Pentair IC- 40 is set at 20% output. I run the pump 12 hours per day. Salt level is...

The pool calculator is terrific...Question...Calcium hardness section. What does REPLACEMENT CH MEAN??

I am using the 10ml water sample with the R 870 powder and the R 0871 Reagent....Yes I am guilty of using Leslies for the combined chlorine test...I just ordered today the R-0003 DPD reagent #3 so I will be able to test the combined chlorine.....Thank you

Mod Squad...My Free chlorine is 9.50 and my combined chlorine is 10.84

My water is crystal clear...

Gentlemen: I am using the Taylor K 2005 test kit and the Taylor salt test chemicals. For FREE CHLORINE TEST I am using the Taylor R 0002 and R 0001. Recently I started using the Taylor R 0870 powder and the R 0871. The test results I am quoting are all done with the Taylor kit except for the...

My pool is well balanced except for the high TOTAL CHLORINE OR COMBINED CHLORINE IS 10.84 ... SALT LEVEL IS 3660....FREE CHLORINE IS 10.5....PH IS 7.6....ALKALINITY IS 80....CYANURIC ACID IS AT 55....CALCIUM HARDNESS IS 328 MY PENTAIR IC 40 IS SET AT 25% OUTPUT.....LESLIES IS RECOMMENDING THERE...

I just recently heard about the benefits of Borate here at TROUBLE FREE POOL. I AM VERY INTERESTED. It appears the weak spot is in testing for Borate using the LaMotte test strips.

I AM USING A NEW LAMOTTE test strip kit. It is very difficult to tell what the true reading is using test strips. It appears I am in the 15 to 30 ppm range.

LaMotte has a test strip kit that tests only BORATES. I AM NOW EXPERIMENTING WITH IT...

I am using the LaMotte borate test strips. Per my test today the test strip read 15ppm. Is it possible to have Borate in the pool if you have not added it?? This is a 2 year old inground Pebbletec 12,000 gal salt water pool using all Pentair equipment.

Hello and thanks for warm welcome: I have a 2 year old pool located in Sarasota, FL...10’x 11 1/2’ x 29’…Water depth 4’ shallow end 6’ deep end...Equipment: Pentair Intellicenter pool control system, Pentair Clean and Clear RP cartridge filter CCRP 200, Pentair Intelliflo XF VSF variable speed...

I have a pebbletec pool that I had built 2 years ago. At the moment I am working with CYA and free chlorine. It's good to be here...