Accuracy of salt test calibration

Sounds good to me too thanks! Also what amount of time do you guys leave it in there? One hygro instructions said 4 hours another said 8 hours while online says 12 to 24 hours.

[Volusianator]

Originally Posted by Wallbright

Sounds good to me too thanks! Also what amount of time do you guys leave it in there? One hygro instructions said 4 hours another said 8 hours while online says 12 to 24 hours.

When you see it stop changing...you're done.