First Test Results

[Chuckles]

Got my test today, it is a nice kit with easy to follow instructions.


My pool is 21k gallon plaster/marcite. It was acid washed and re-filled last week. Here are my results:

FC 1.5
CC 0
TC 1.5
Ph 8.2
Alk 120
Cal 130
Cya 0
Temp 80

I know I've got to get my Cya up (we have SWG), Ph down, and Cal up. Any info would be appreciated.

Thanks,
Chuckles

[CarlD]

You pretty much have it.

You can add CYA by putting it in your skimmer--but don't backwash for a week--it takes that long to dissolve in. Figure out from the container how much you need to get to your desired level. I'd aim for 50ppm with an SWG. Then use 1/2 of the amount you think you need....You can ALWAYS add more CYA--but it's tough to get it out!

pH is high--this is common with plaster pools AND with SWGs. Muriatic Acid is the key. Oh, and re-test your Tot Alk when pH is around 7.3--bet it comes down ALOT, so you MAY want to boost it...Add 1 to 2 pounds, no more, at a time of baking soda (Tot Alk Raiser at the pool store is the same stuff at a higher price!), wait a day or two and see where you are--when pH is in the low 7.'s

Calcium: You DO need to get it to 200ppm. Again, buy small amounts and add it slowly over time. No reason not to! Or you can use Cal-Hypo to chlorinate, but do NOT mix it with other chlorine. Only use 68% cal-hypo--avoid the 48% garbage. It will raise your FC--but that's not a problem--and add calcium.

[Chuckles]

Thanks CarlD for your quick reply!

Got a question for you, where can you buy Muratic Acid?? I was in the pool store this weekend getting some maintenance supplies and I only saw "Dry Acid" as their Ph reducer.

Thanks again!
Chuckles

[aylad]

Home Depot and Lowe's carry it. Might have to check the paint section...
My local WalMart has it in the automotive section. Go figure.....

Janet

[Chuckles]

Hi all,

I found the Muratic Acid at Lowes (thanks aylad) and added 1 quart last night. This morning Ph was 7.6 - 7.8. I also added 4 gal of 6% bleach last night to get to 10ppm.

I also added 4lbs of CYA (1/2 of recommened amount) to up my CYA as it was 0 yesterday.

This afternoon, the pool has a cloudy haze in it. The water is still pretty blue, just cloudy.

Looking at past posts, should I continue to shock daily, to say 15ppm to clear the cloudy water?? Pump has been running 24/7 for last week, since pool was filled.

Thanks!
Chuckles