First readings with TF-100

MrsFusion

LifeTime Supporter
Jul 7, 2010
80
SW Iowa
FC 5
CC .5
TC 5.5
pH 7.5
TA 220
CH 390
CYA 10-15(the dot is almost gone, can barely see it)

It's been 8 days since I added CYA. Should I wait a couple more days before I add more CYA?

And what should I do about the TA & CH? Off to read more in the pool school.

I should add that it has been raining here every night. It's at the overflow point right now. But, I don't want to backwash to lower the water level cause I'm trying to raise my CYA.
 

svenpup

LifeTime Supporter
Nov 18, 2009
835
Sacramento, CA
On the CYA test you want the dot to be completely gone. Sounds like your CYA is zero. It should have shown up after 8 days. There have been reports of people buying CYA that doesn't actually have any CYA in it. :cry: Looks like you need more.

Did you wipe the tip of the dropper with a clean, damp cloth while you were doing the TA test? There is an issue with static building up causing small drops. If not, re-do the TA test wiping in between drops.

The CH level is not awful, and I withhold comment until you re-do the TA test.
 

MrsFusion

LifeTime Supporter
Jul 7, 2010
80
SW Iowa
Well, I added CYA last night(sock method). And checked levels again this morning.

FC 8.5
CC .5
TC 9
pH 7.5
TA 110
CH 230
CYA 65

Can my numbers really change that much over night?
 

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