Header image  
The #1 Cannabis Website in the WORLD.  
line decor
  HOME  ::   Message Boards  :: Photo Image Gallery   ::  Medical Marijuana   ::  
line decor
   Main Menu
 

pH / EC / TDS / PPM

How long does the seal last inside the probe?

Something to note for all pH meters is the age of the meter; the gel seal inside the meter is only usually guaranteed to keep its seal for 2 years after being manufactured, although the gel seal may last much longer this.

Digital meters such as the pHscan 1 have the month and year of manufacture on the inside of the battery lid. I suggest checking it when purchasing as some hydro stores may have slow stock turnover.