Small patches of algae on liner

[Dave31410]

I have been keeping the FC level around 5-7 (CYA 70) and the water is clear. Water temp is now 84 and I am getting some small green patches on the liner, mostly in a corner or transition between the sides and bottom. Is that just a matter of brushing? I think I have been negligent in that regard, probably relying too much on the robot.

 

[YippeeSkippy]

Probably, but can't be sure without a full set of test results to compare how they look.

You say FC is "around 5-7" but that could imply they could be lower ? How often are you testing your FC/CC? How's your SWG working?

Maddie

 

[Richard320]

The problem is localized low chlorine. Brushing more will help. It'll get the chlorine into the poor circulation areas.

I bought a corner vac brush that sounds like something you could use. I haven't tried it as a vacuum, but it certainly gets into the sharp corners better than my wall whale.

 

[Dave31410]

You say FC is "around 5-7" but that could imply they could be lower ? How often are you testing your FC/CC? How's your SWG working?

Maddie

It has fluctuated a bit over the last couple of weeks as the weather and water temp have been unsteady, but I think we are settling in for summer weather. I test every other day and the SWG is working fine (only 6 months old). My last test today showed:
FC 7
CC 0
Ph 7.6
I think I will try brushing more.

 

[YippeeSkippy]

Good plan!