Ok...so today's readings are as follows:
OCLT last night: FC 5.5, CC 0.5 for TC 6.0
This morning: FC 5.0, CC 0.5 for TC 5.5
So I think that is good? Water is clear and lovely! :)
My other readings today are pH 7.5, CH 875, TA 80 and CYA still 20ppm after adding 2# yesterday via sock...