Borates - How long do they last?

KurtinTUS

Silver Supporter
Jul 20, 2017
67
Tucson
Title pretty much says it all. I added some to the pool this summer for the first time, but wondering how often they may need to be replenished. I have ordered some of the Taylor test strips, but how accurate are they?
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
21,266
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
Borates are like salt and decrease as pool water is drained. As you see your salt level dropping and needing to be replaced you can assume the borates have dropped proportionally.