Tested Friday evening and the FAS/DPD test showed FC at 1.5 and that I needed to add 68 oz of 8.25% bleach to get to my target of 4.0. I only had 48 oz so I added that and intended to get to the store Saturday morning.
Tested Saturday morning . Usually I skip the OTO test because I have a bit of difficulty distinguishing the deeper shades of yellow so I just do the FAS/DPD test. This time however I decided to give the OTO test a go as well.
The OTO test showed a light shade of yellow. Best my eyes could tell, not more than 2.0 TC.
The FAS/DPD test showed FC of 4.0 and CC of 0.
Hmmm... that doesn't mesh. I had used 2 scoops for the FAS/DPD test and it turned a deep red. So I decided to re run the test and used just 1 heaping scoop. Same result.
I wasn't expecting a FC result of 4 since I hadn't added enough bleach according to the calculator.
I bought the test kit last August. It stays in the 2nd bedroom closet. I'm low of the powder as I test about 3 times per week so I definitely need more.