No chlorine lots of algae HELP???

Yes, get you pH down to 7.2 using muriatic acid...then start the SLAM procedure until your FC will hold at 16 ppm. Just be prepared that you may need a ton of chlorine to get your FC to hold. Once the FC starts holding maintain 16 until the SLAM is complete:

CC is less than 0.5
Pass the OCLT
Water is clear
 
I don't know what the cost is at the pool store, but you can also use regular household bleach that is unscented and contains nothing else such as non splash etc.
 
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