captmicha
Members
I have a lot of trouble interpreting my API test kit results bc of some color blindness.
Those glasses for color blindness are too expensive just to be able to read some water tests.
Could this work? https://www.harborfreight.com/profe...dC_j5x7l-SxdgUA-JRJ7V17q8WI_68v_ZVho-m6xjNiaE
Those glasses for color blindness are too expensive just to be able to read some water tests.
Could this work? https://www.harborfreight.com/profe...dC_j5x7l-SxdgUA-JRJ7V17q8WI_68v_ZVho-m6xjNiaE