Pool cover is still on, am opening end of this week but wanted to get a sneak preview of what I might find. I know the previous owner was pool stored so I expected high CYA. Sample was taken under the cover through the skimmer.
FC 7.5 (seems way high)
CH 350? (Solution turned from pink to purple at 260, and to light blue at 350)
Water temp 72 F
I know the readings will change once I have pump going and water curculating. Looks like I will need to do a partial drain and refill to lower CYA to around 30-50 ppm (water level is currently about 6 inches below bottom of skimmer).
Once I get cover off, should I drain some water and refill to lower CYA first and then retest? These numbers seem out of whack all around, so what order should I tackle them? Just use pool calcultor and adjust each level one at a time or do pH and FC first?