- Location
- Bronx
Okay guy today i just received my new Salifert Alk test kit and tested my water and it read 9.9 dkh but my Redsea reads 7.8 so who is right and who is wrong and again this is brand new test kit from salifert and expires 9 2016 i opened it and tested my water and those are the readings i got i need to know which one to go by so i can dail in my Reactor