- Mar 19, 2012
- 18
https://www.hannachecker.com/index.php? ... &Itemid=29
Has anyone tried one of these testers?
In the reef aquarium hobby these have really held up and people love them.
I was excited to see that they have one for free chlorine since this will be what I test for the most.
Has anyone tried one of these testers?
In the reef aquarium hobby these have really held up and people love them.
I was excited to see that they have one for free chlorine since this will be what I test for the most.