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Ndx

What went wrong..

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Hi Guys,

New Tub - filled with city water. 

Tub has ozone and uv 

Water was crystal clear, but out of balance.

Went to pool store to test.

 

Chlorine Total: 0.1, Free: 0.1

TDS 200ppm

PH 8.1

TA 105

Ca 93

Po 2500 ppb

 

They said to add 140 Grams of TA+

34 grams od pH-

100 grams of TH+ split in 3 doses every 3 hours

59 grams of chlorine

And. 1.28L of Phos Cleanse ( about to add it ) 

 

But water turned cloudish no longer crystal clear, should I dump it and start again 

 

Thx 

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No, don't dump. Wait and retest. Get a good test kit from taylor (k2005) and stop talking to the pool store. 

What is TH+? 

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Thx, water cleared up but it seems little foamy, very fine white foam around edge of tub

Here is virgin sample of my city water after whole house filter. ( catalytic carbon )

Free Chlorine 0.08

Total Chlorine 0.08

Combined 0.00

pH 7

Hardness 53 ppm

Alkanity 95 

Cyanuric Acid 5 ppm

Phosphate 1943 ppb

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@RDspaguy

Latest results

TDS 400

Chlorine TA 0.1 Free 0.1 ... 

pH: 7.9

TA: 124

CA: 121

Po: 1000ppb

I added a little bit more pH down just now.

But water looks like this at the top after running jets... Without jets it was pretty clear 

20200807_191148.jpg

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From your numbers I suspect it's calcium coming out of solution from high ph. Get it down and see if it dissolves. You may also have a gritty layer on the inside of your spa. This is called "scale".

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@RDspaguy

So the store told me to add ... 59 gms of chlorine to bring it back up... I did so about 3hrs ago... And strips and taylor test of the scale still 10ppm+

I think I will run Ahh Some tomorrow and dump it, and start fresh... Should I skip aqua finesses I guess ?

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@RDspaguy

Dude you need to msg me your paypal so i can send you some beers... You are like personal hot tub wizard

Will that high chlorine kill my tub lol ?

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On 8/6/2020 at 10:43 AM, Ndx said:

Hi Guys,

New Tub - filled with city water. 

Tub has ozone and uv 

Water was crystal clear, but out of balance.

Went to pool store to test.

 

Chlorine Total: 0.1, Free: 0.1

TDS 200ppm

PH 8.1

TA 105

Ca 93

Po 2500 ppb

 

They said to add 140 Grams of TA+

34 grams od pH-

100 grams of TH+ split in 3 doses every 3 hours

NEVER add calcium and baking soda (which is all the TA+ is) at the same time because it will cause calcium carbonate to precipitate out and cloud the water, particualrly with a high pH. Get pH in line first, add the baking soda and wait apprx 24  to 48  hours and retest. If levels are good (60 to 80 for unstablized chlorine, 80 to 100 for stabilized chlorine (but watch your CYA levels!) or bromine. Because of the amount of aeration in spas from the jets there is a tendency for pH to rise because of outgassing of CO2. Running your TA in these lower ranges helps counteract that.

59 grams of chlorine

And. 1.28L of Phos Cleanse ( about to add it ) 

You don't need this! This can also cloud the water, btw!

But water turned cloudish no longer crystal clear, should I dump it and start again 

No, dropping the pH should redissolve some and filtration will remove the rest.

 

 

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