Need a Little Advice

Enkil810

Member
Aug 16, 2014
15
Winnie/Texas
My pool water is balanced but I keep getting a brown/greenish film on my pool steps. Why would you be getting this if your pool water is balanced and a combined of 0? Do I need to SLAM again? Did it a couple weeks ago but we have had alot of rain lately.

FC- 4.66
CC- 0
PH- 7.7
Alk- 130
CYA- 35