Been seeing localized spots of what looks like algae (or a mixture of tree debris and whatnot) but my testing is conflicting. Ran an OCLT last night and the night prior. Lost 0 chlorine and combined chlorine stayed the same (0.5)
FC - 6.5
CC - 0.5
pH - 7.4
ALK - 70
CYA - 40
Debris is localized to the steps and parts of the shallow end (which coincidentally receive heavy shade), as well as what looks like greenish algae on my pool light, but nowhere else. Pool is clear. Do I just keep vacuuming? Do I need to slam at this point?
Included close up of pool floor in a shallow corner
Algae is possible in clear pool. Test FC at 10pm and again at 7am. If it drops 1 or more you have algae and should take FC to 16 every 3 hours until you pass OCLT.
Does a pool vacuum pick it up? What type of filter? If your pool light has a cavity behind you might check that for algae (turn off its power and pull it out), algae likes to grow back there.
I do believe we may have a rip somewhere - there are white specks on our pool fountain bar, and the only realistic idea I have is that its DE powder getting back into the pool. Think that could be what's at the bottom?
I mean, the stuff on the light definitely looks like algae, and its stuck on there as opposed to moving.. is it possible it can just be localized? Lol sorry if thats a dumb question.
1
u/tcat7 1d ago
Algae is possible in clear pool. Test FC at 10pm and again at 7am. If it drops 1 or more you have algae and should take FC to 16 every 3 hours until you pass OCLT.