I've been caring for a pool using the dichlorotriazine etc. system for 6 years without problems.
The man opening the pool this year is shocking with biguanide which I am not familiar with. He has been at it for about 9 days and is now adding chlorine ( dichlor, trichlor, hypochlorite, calciumhypocholorate) and circulating thru filter. The pool has been unattended for 1 to 2 days.
I checked with Cl and biguanide test strips today:
Cl - 1ppm
pH - <6.2
Alk - 40ppm
Stab. - 0
biguanide - 15ppm
He is going to hand over the pool ready for the dichlor system.
I'm concerned about the low pH and Alk levels and the time required for this preparation.
He is also running the the operation with the water level 3-4 in. above the skimmer intakes. The pool water appears blue but is very milky/opaque.
Does this look normal to you? Should I be concerned?