probes

Chipie

Active member
I have a question about probes. How long do the probes(lab grade and regular) usually last?
 
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anything other than pH and redox providing maintained the life of the tank really.

pH are degenerative and have an average life of 1-2 years
Redox about 2-3 years
 
1 year is usually how long my ph probes last. After that it can fluctuate allot and get really hard to calibrate.

1 year is about right "on average". I've seen them last a good bit longer but most people start looking to replace around the 1 year mark or as windcoast mentioned when they start to fluctuate. When you're needing to calibrate often it's time to replace.
 
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