Originally Posted by ThatGuyWithTheFish
What? I've had it in for 3 days and only my GH has changed like half a degree. I used very little though, to diminish their effects and keep the pH manageable for neos. My KH is 4.
A spoon full of peat isn't going to do anything for a 30G tank.... you're not giving enough information.
Also, KH4 is perfectly fine for neos. My tap is GH8/KH5 and no issue at all.