Nah, a couple more points won't hurt for the short term.
The best time to check the CYA test is during the day, with your back to the sun so that your body shields the view tube. Doing it in the evening or indoor lighting may not yield accurate results.
The best time to check the CYA test is during the day, with your back to the sun so that your body shields the view tube. Doing it in the evening or indoor lighting may not yield accurate results.