Green algae water

[KYRealtor123]

I’m helping a neighbor. Her husband has dementia and used to do the pool. She is clueless and so am I. I’m desperate need of help please!

[Denniswiseman]

Let's have your numbers especially CYA. If you don't have a decent FAS/DPD test kit, get a sample to a pool store
FC:
TC:
pH:
TA:
CH:
CYA:
You will need to Slam (Shock Level and Maintain) with relation to Chlorine / CYA Chart and Recommended Pool Levels