Here’s a good question.
I have 3 alk testers. Hanna Salifert and Red Sea pro KH
Did a test today using all 3 and here’s what I got.
hanna-8.8
Salifert-8.9
Red Sea-7.0
Did it twice and numbers were the same.
what gives??
Thoughts???
I have 3 alk testers. Hanna Salifert and Red Sea pro KH
Did a test today using all 3 and here’s what I got.
hanna-8.8
Salifert-8.9
Red Sea-7.0
Did it twice and numbers were the same.
what gives??
Thoughts???