Recent content by kenichi

I have a dual speed pump, it runs 12h in high speed overnight and low speed during the day. Should I leave it on high all the time? I've never seen this scum in the past 3 years since inception. How can I check the main drain value?

I don't have a full test kit yet but I will get one and try the overnight test. Does that look like algae however? it cumulates rather quickly and I had never seen that in the past 3 years. Don't know if anything from trees also, I also see these things, look like empty shell of bugs falling...

Hi, few weeks ago I went of vacation and forgot to dial up the SWC. I came back with algae in the pool. I did a double shock, brush and the algae was gone. Water is clear, all chemicals seem to be balance for a week now. Started few days ago, I noticed this black thing around the skimmer. It's...