I am 3+ days into SLAM but have a persistent algae problem (attached photo). The alleged algae shows up in same spot every day (also in the corner of the deep end). It brushes like a fine dust but returns the next day. Brushing daily and running Z5 2-4 times a day. Slammed at mustard level+++ for 24 hrs (39 is MA slam level per calculator). Filtering (sand) 24/7 and maintaining pressure within range. 3-4 chlorine adjustments/per day. Water is otherwise very clear and had decent chemistry before starting SLAM. TF-100 test kit. 25,000g vinyl liner. Uncovered and good sun during day. Autocover at night.
Please help identifying algae (usually makes appearance most overnight) but also a little during day between vacuuming and thoughts on how long SLAM will take to solve. Thought I was making progress on day 2 but OCLT dropped a ton on day 3.
Pre-SLAM chemistry:
ph 7.6
FCL 4
CC: 0.5
Alka 235
CH 202
CYA 70
day 1 SLAM FCL 34
day 1 OCLT FCL 23.5 CC 0.5
day 2 SLAM FCL 44
day 2 OCLT FLC 39 CC 0.5
day 3 SLAM 31
day 3 OCLT 23 CC 0
Please help identifying algae (usually makes appearance most overnight) but also a little during day between vacuuming and thoughts on how long SLAM will take to solve. Thought I was making progress on day 2 but OCLT dropped a ton on day 3.
Pre-SLAM chemistry:
ph 7.6
FCL 4
CC: 0.5
Alka 235
CH 202
CYA 70
day 1 SLAM FCL 34
day 1 OCLT FCL 23.5 CC 0.5
day 2 SLAM FCL 44
day 2 OCLT FLC 39 CC 0.5
day 3 SLAM 31
day 3 OCLT 23 CC 0