Help with green pool

[dozer11]

I'm trying to clean my green pool. Here are the numbers

TA 70
Ph 7.6
CH 90
Fc 0
Stabilizer 50

Seems like ok numbers. Should I just start pouring bleach in to shock it and clean it up? I have a 30 foot round above ground pool. 52" tall. I believe it's 21000 gallons. Vinyl liner.

 

[dozer11]

I'm trying to clean my green pool. Here are the numbers

TA 70
Ph 7.6
CH 90
Fc 0
Stabilizer 50

Seems like ok numbers. Should I just start pouring bleach in to shock it and clean it up? I have a 30 foot round above ground pool. 52" tall. I believe it's 21000 gallons. Vinyl liner.

Here is a pic. And my husband vacuuming.

 

[April]

What test kit are you using?

 

[dozer11]

Taylor. Except the stabilizer was from a test strip.

 

[jblizzle]

Step away from the test strips, they are garbage.

Which kit specifically?

 

[dozer11]

K-2006. I agree about the strips. What a pain. I was desperate though...

 

[April]

I have the TF-100. So I'm not familiar with that specific test.

Can you test CYA with it? ( instead of the strips)

- - - Updated - - -

Your SLAM LEVEL depends on you CYA level. So you want to make sure you have a good reading.

Otherwise you will either waste a lot of chlorine or not use enough to clear the pool completely.

 

[jblizzle]

Use the K2006 to test the CYA.

 

[dozer11]

I will do that after work with the k2006. I am out, or almost out of that test. I will need to order more.

 

[dozer11]

Use the K2006 to test the CYA.

K2006 cya test says 55. Should I drain some water or go ahead with slam?

 

[jblizzle]

SLAM away, that CYA is reasonable.

 

[dozer11]

Here is a complete test result list

CYA 55
FC 7
Cc 0
PH 7.7
TA 70

Is that ph acceptable for SLAMing? I put in 3 gallons of bleach last night before bed. Water looks a lot clearer.

 

[jblizzle]

First step listed in the SLAM article is to lower the pH

 

[dozer11]

First step listed in the SLAM article is to lower the pH

Does SLAMing raise ph?

 

[jblizzle]

Whenever you add FC with bleach it raises the pH ... which is why you should start with a low pH. Since you can not test the pH while the FC > 10ppm.

When the FC is consumes, the pH comes back down making the bleach effectively pH neutral.

 

[dozer11]

Whenever you add FC with bleach it raises the pH ... which is why you should start with a low pH. Since you can not test the pH while the FC > 10ppm.

When the FC is consumes, the pH comes back down making the bleach effectively pH neutral.

Good to know. I added bleach last night so that's probably why it was higher today. Thanks!

 

[dozer11]

I've been SLAMing, brushing and vacuuming and I THINK (not quite sure) the water looks clear, but let me know what you guys think please! I'm keeping the pool at SLAM levels through today and will test the Overnight chlorine loss tonight. Do you guys think the water needs to be clearer? I will attach a picture, but I can see the wrinkles clearly on the bottom of the liner, so I think that is a good sign. I know that I need to vacuum the middle, I just need to get in the water to do that, or let Diver Dave out for another few hours.

 

[jblizzle]

Looks pretty clear ... I would get that dirt out one way or another though.

 

[dozer11]

Thanks, I'll put my husband up to it! I'm in North Dakota, so the water is still pretty chilly :/

 

[dozer11]

My water is clear. The CC is 0 and FC lost 3 ppm overnight. It was 17 last night and 14 this morning, but it rained pretty good here last night. Should I continue to keep the chlorine at SLAM levels or would I be wasting bleach at this point. I'm wondering if the rain was the culprit for the extra loss of 2 ppm.