When is the last time you checked this?!!?

[ahiggins]

Wow, you guys are dedicated lol I check mine once a month or before a water change.

 

[Fish Think Pink]

manually with refractometer when doing weekend water change

also last night as bought a new pincushion urchin and tested its water, my water, and it had to go into QT as LFS and I are .006 apart (us 1.026 vs LFS 1.020)

 

[LRT]

This is one of the ones that usually bites me. Normally pretty on top of it with water changes and keeping things dialed. Its when I get in and turn off ato gravity feed thats been getting me. This last time almost had real problems. Its about time for alarms and reminders around here.

 

[Uzidaisies]

About thirty minutes ago when I did my water change.