To get a good PH reading, yes.so basically I am at a standstill until I can get this FC down to under 10,
CYA can be addressed now, but there's no need in the dead of the winter for more UV protection.
Yes. But if you notice it's only dropping 1 ppm every other day (etc), then feel free to skip a reasonable amount of tests in between.Keep testing the Chlorine daily though?