Originally Posted by cblwry
Here's a dumb question. If I read this thread correctly, it's better to put distilled water in my DC. Correct?? The instructions that came with the drop checker said to put in aquarium water. It is showing a lime green right now and my testing shows a PH of 6.6. I do have a little problem with brush algae but not much. And I take it that plants "pearling" is a good sign even though mine have not done that yet.
I do not know why the instructions would say aquarium water, you should be using a 4 dKH solution, then adding the ph indicator solution (I think its is called bromethyl blue)
Check this out: