Algae Problem

[rlwaugh]

FC:14
TC:16
pH:7.6
TA:190
CH:425
CYA:80

I have been trying for a week to clear up my green pool. I have vacuumed to waste, swept, ran filter. I am at a loss.

[Denniswiseman]

You need to Slam (Shock Level and Maintain) with relation to Chlorine / CYA Chart and Recommended Pool Levels
With a CYA of 80 you need a shock level of 31 and a target level of 10 and a minimum of 6 when you have completed

Excessive CYA renders your chlorine ineffective and you have to use more to get the same sanitation
For every 10 ppm Free Chlorine (FC) added by Trichlor, it also increases Cyanuric Acid (CYA) by 6 ppm.
For every 10 ppm FC added by Dichlor, it also increases CYA by 9 ppm.
For every 10 ppm FC added by Cal-Hypo, it also increases Calcium Hardness (CH) by at least 7 ppm
To reduce your CYA you have to do a partial drain and refill
Continous use of Trichlor/Dichlor will raise your CYA which means you have to raise your chlorine level as well
Keep doing the rest to get rid of the dead algae