I gave the collection cup a good scrubbing two days ago (taking care to keep my oily hands off the insides
After about 48 hours its still not skimming at all.
is climbing, I take that to be a sign that the skimmer should be skimming and isn't doing its job...
Back to PWCs. Any thoughts on the difference between a 10 % weekly PWC
vs. two 5 % PWCs a week?