Quote Originally Posted by TexasTodd View Post
Kalk is strange, you actually get a higher concentration with a LOWER water temp (not tank, talking about kalkwasser storage vessle here). You can also increase the concentration further by adding some vinegar, but then you don't get as much PH increase that most people are looking for.

T
Wow Todd that's really interesting. I have a heater in there. Maybe I'll turn it down a bit. It was the pH that I was worried about and the reason I didn't go with a stronger solution because before lights out my pH is already at 8.37. I was worried with higher concentration I'd get higher pH than I'd want (even if dosing several hours after lights out)