I can test for FC. I just got all new regents and got/ordered R-0002 instead of R-0003 (oops) so that's all I'm waiting on. It's a shame I can't buy it at a pool store. I'm at 3 and just added 6 gallons and I will test again in a couple hours to make sure I'm above 20 before I go to bed.

Thx!