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Spa 450 gallons, 99 degrees CC 10 (just shocked) PH 7.8 TA 50 CH 40 CYA not sure, ran out of test regent, ordered more....I changed the water 10 days ago, so not much if any. Borates 50 (boric acid) I am confused about the TA. Sometimes I read that it should be 50, others 100. What do you...

I was referring to the decontamination process when I said your sanitation process. I used the wrong term.

I just bought a used hot tub. I have cleaned the filters and they are soaking in bleach water overnight. The hot tub will be wired in the morning. I plan to use your recommendations to sanitize the tub, lines and jets. The previous owner used bromine and I want to use the shock to bleach...

I am buying a hot tub this week and was wondering if trouble free pools could help with the chemical recommendations and balancing?

I am dancing to the tune of $175-$200 savings per year.

You are kidding me! You should shout that one from the rooftops.

Why should I use granular instead of powder form?

26500 gallon vinyl above ground, bleach & boric acid. All chemicals are within troublefreepools.com guidelines and the water is stunning. I use algaecide 60 in my pool and the cost of $24 per quart online or $30 at the pool store is killing me. Any suggestions for a better price online or an...

I checked the pricing at DubaDiesel and it is around $2 per pound with free shipping. Why should I use granular instead of powder form?

I use boric acid even though it cost more because I am a big chicken when it comes to handling liquid acid. I used to use muradic acid to clean hard water stains from my sprinkler system. I hate the stuff. I want to avoid an acid splash on my skin at all costs.

I buy pharmaceutical grade off ebay. My pool requires 15# to 25# per year. It cost including shipping around $2 per pound.

Thank you, Jason.

Above ground 26500 gallon FC 2.5 ph 7.8 ta 100 ch 150 cya 20 (just added enough to raise to 40-50) borate 30 I love using boric acid because it doesn't jerk my ph levels therefore it is much easier for me. How soon can the kids swim after adding the boric acid? Must...

All is well with my pool. I did not lose any FC last night, still at 7.6 ppm and the CC has dropped to .2 ppm. I would like to state that after one season using troublefreepools.com, I have experienced the easiest opening in eight years. The only expenses I have had this year are replacing...

REwrite.

25,600 gallon, vinyl liner above ground Ch 7.5 after shocking to 16 after opening Ph 7.8. Alk 80 Cal 210 Cya 45 Bor 50 Temp 81 After testing the ch at 7.5, the secondary testing turned faint pink and cleared with one drop. Should I top out the bleach to 16 again or am I ok with a...

26,500 gallon pool, Hayward sand filter TC 6 PH 7.8 TA 90 CYA 45 BO 45 I backwashed my filter and added 2 cups of DE to my sand filter, 1/4 cup to a gallon of water at a time. My pressure is up from 1/2# to 3/4#; it jumps a little. I did not want to put more than 2 cups in even though I...

I am waiting for the 1" eyeball to come in the mail. I took off the 3/4" eyeball and the pressure immediately dropped to 13.5 #'s. The 1" should work fine for my problem.

I will change it next week. Thanks a million.

The eyeball is 3/4 inch. I have two the same size. Yesterday my return line popped loose and drained 5 inches of water from the pool. I am guessing the the pressure had something to do with it popping off. Anyway, I am balancing the chemicals again.

LOL. I thought you were asking about the gauge. I will measure it later this morning.

I talked to my pool supply and they said that I had the proper amount of sand, 150#'s to allow good circulation and they know that I have replaced my gauge once. They said to ignore the gauge and go by return pressure. I always feel the return flow anyway. Maybe I need a new gauge. The...

Hayward PowerFlo Matrix 1.5 hp, Hayward Vari-flo XL Valve and hayward Pro Series High Rate Sand Filter Model S210T

My filter has been in operation for six years. I replacement the sand at the end of season 4 and converted from Baqucile to chlorine. Four the last 4 years the lowest reading has been 15 PSI, 18 PSI dirty. Now it will not go below 18 PSI after an acid wash.

I am thinking about adding the DE but I was concerned about the current pressure before I add something that will raise the pressure another 1 PSI.

About the same size as your...LOL....seriously its a 2 inch gauge. The pressure drops to zero when the pump is off.

After a six hour hard rain last night, these are my readings. FC 3 PH 7.5 TA 90 CH 120 CYA 40 BR 40 My sand filter (without DE, sand only) PSI has been 17 PSI clean and 18PSI dirty this entire year. Early on I had one day of 13 PSI. I acid cleaned the sand today and the...

Thank you for saving me a lot of grief.

You are so lucky to have found this site after only owning a pool for two weeks. I found it after six years. I can't standing thinking about how much money I have spent. And how I have struggled to maintain a clear pool. This year is my first TroubleFreePool.com season and my pool is...

I have two jugs of outdoor bleach that I would like to dilute. The bottles do not state the percentage chlorine. How much should I use to get a 96 oz. bottle of 6% bleach? 12% would be good too.