Need advice on pool

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T

The Scrubber

0
Jul 19, 2017
11
Piscataway NJ
Pool Size
22000
Surface
Vinyl
Chlorine
Liquid Chlorine
Been a member since we bought this house and this forum has saved me a ton of money. So I hoping you can help me with this dilemma

We had a clear pool and then recently threw a party with probably 15 kids Day or two after that the pool starting to look not as clear so I ran my tests and decided to slam. What preceded was we would pass the overnight test however we would find green build up on the bottom of the pool.

FC 12
cc .5
cya 30
ph 7.5
TA 70
Ch 50

next morning
FC 12
cc. .5

there would be build up of greenish substance on bottom. I would vacuum off.

4 days ago investigating the pool we had low water skimmer was sucking air. A patch we put on failed and we were losing water. Patch was replaced and water was added back in.

I let fc fc drift down below 10 to get new numbers after this. Then I returned to SLAMing pool.

the pool has gotten progressively greener in the last few days. Even though I was maintaining shock level
By testing morning and evening and bring pool back up to shock level. It now is as green as when we opened it.

Any thoughts
 
Richard320 said:
A few questions

Clear green or hazy green?
Do you fill from a well?
Click to expand...

city water no well
here is photo hope that helps.
Pool has direct sun on it in photo


034c9efd-a018-43a7-8c1c-432a23b71e6f
 
Okay, I can see it now. Unfortunately, that doesn't look like it's just metals.

You ought to verify that CYA reading. Remember there's no shame in pouring the solution back and forth between the mixing bottle and the view tube as many times as you need to feel comfortable with it. For me, personally, it's when I get three in a row within 5 of each other.

Then get the FC up to shock level for that CYA, brush, and vacuum. Even if it means vacuuming blind. If you're getting the FC high enough long enough and often enough, that green will turn grey in a day. It's all in the SLAM Process article.
 
Richard320 said:
Okay, I can see it now. Unfortunately, that doesn't look like it's just metals.

You ought to verify that CYA reading. Remember there's no shame in pouring the solution back and forth between the mixing bottle and the view tube as many times as you need to feel comfortable with it. For me, personally, it's when I get three in a row within 5 of each other.

Then get the FC up to shock level for that CYA, brush, and vacuum. Even if it means vacuuming blind. If you're getting the FC high enough long enough and often enough, that green will turn grey in a day. It's all in the SLAM Process article.
Click to expand...

Ok Thank you.
 
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