Had my pool guy come take off the cover and start up the pump and filter. I only have him open and close for me and I take care of balancing the pool using TFP methods. I made the mistake of waiting too long to open and have a lovely green pool (mad at myself for not opening in mid-April).
Baseline before chemical addition using TF 100
CC didn't test
I intended to not have the pool guy put any chemicals in, but had a visitor in the house and didn't get to him before he dumped "15 Gallons" of chlorine into the pool. It was actually granular chlorine with stabilizer once I asked him, but I didn't ask if it was dichlor or trichlor. Whatever it was it raised the FC to 27.
I stuck both dichlor and trichlor into Pool math and monkeyed with the quantity until I had the correct quantity of both that would raise my FC to 27 and also took note of the CYA increase that would result from either addition. Based on Pool Math I think he either added 100 oz of trichlor and added 17 ppm of CYA or he added 160 oz of dichlor and added 24 ppm CYA. Either way it seems I got lucky because either addition will put my CYA in the 50-60 ppm range. It also seems like either addition will lower PH by around .6
My plan is to just continue with the slam and then raise my CH up to 250-300. I don't think there's much I can do about the PH at this point unless it is advised I let the FC drift down, adjust the PH and then start the slam.
Anything I'm missing or any additional advice?
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