Redox???

[24storm]

Originally Posted by fencer

1. Clean your probe
2. Any higher than 400 is too much...esp if you are dosing with ozone
3. I have a lot of sps growing in the 320 - 350 range

So if you do have readings higher then 400 and not dosing ozone how do you bring the level down? Water changes? What is the cause of the level going higher then 400?

Keith