I've been doing lots of research over the last week, along with multiple trips to the pool store, but I can't get rid of my algae.
Here's the pool history:
Had my 18' x 48" pool filled with a water truck about a week ago. Pool was used, bought a salt water chlorinator new to use with the pool. I accidently put a couple of bags of salt too many in the pool as it was filling, but only realized it after the guy left. So I had to dump some of the water and replace with well water. Bummer.
My chlorinator would tell me salt was good, then 1/2 an hour later it was too high, then it would be too low. Called the company and they said wait it out over a couple of days. I did, same result. Exchanged the chlorinator for another, the same thing was happening. By this point the pool was starting to get algae, as there was no chlorine production. I shocked it when I put the second chlorinator in so try and limit the damage, but it kept going.
At that point, I decided to go with a chlorine system. My 3-year old is dying to get in there so I thought this would be fastest.
2 days ago I put 250g of granular chlorine in the pool. No change.
Yesterday, I put 400g of chlorine in the pool. No change.
This morning I went for another water test, here are the results:
FC - 5.0 mg/L
TC - n/d
pH - 7.6
TA - 180 mg/L
CH - 220 mg/L
CYA - 30 mg/L
They tell me I needed 2.53 L of Muriatic Acid, I added 1.5L today and the balance will go in tomorrow morning. I also added 500mL of 40% algicide and another 500g of chlorine. Pool is still green!
Any thoughts or advice? I'd love for my son to go swimming!