FC Level with Taylor K-1000 test kit

joemkraus

Well-known member
Sep 23, 2019
58
Saratoga, CA
right now my CYA level is low enough (30) my FC should be round 4. However, as cya gets higher (sometimes I have to use pucks when I am gone), you need a higher level of FC. The
Taylor K-1000 only goes to "5". How does one measure beyond that? dilution to a certain level? I really did not want to use the TF 100 every time to test
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
26,544
Laughlin, NV
The K1000 OTO test is to see if you have chlorine in the water. It is not viable to use for an accurate measure.
Do the FAS-DPD test.
 

joemkraus

Well-known member
Sep 23, 2019
58
Saratoga, CA
OK, so I must be mixing up the terminology. I though the FAS-DPD test was the K1000, no? so is the FAS-DPD test the power and drops test in the TF100Kit? I was trying to avoid that harder test, but just once a week or so.
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
26,544
Laughlin, NV
You may find you can correlate the color of the OTO with your FAS-DPD results. Do both for awhile and calibrate your eyes. But never rely on the OTO for major chemistry adjustments.