[Snappy]

Originally Posted by Aquattro

When I first read about this, I worked out the math re: how much I could add to my tank before it affected pH, and the value was quite high. I don't recall exactly what it was, as that was 20 years ago, but I used it to kill a lot of aptaisia in my 150g (per session) without affecting pH (using a real time monitor).
I use probably 0.5ml or so per head.

Thanks Brad