Help: SPS bleaching and STN

[Myka]

Originally Posted by albert_dao

Probiotics with a kH over 8.2 is just asking for it. Leave it between 7.0 and 8.0.

/experienced Zeovit user here.

Albert, I assume you're referring to this:

Originally Posted by ChizerBunoi

I was dosing vodka at 1ML per day, but stopped it completely when cyano appeared. That was my only form of nutrient control. Only dosing Zeobac (bacteria) to help with the battle against cyano.

Just to elaborate for OP, it's not not the bacteria, but the carbon source. Using a carbon source with higher alkalinity will often cause STN or even RTN. Albert might be onto something though, did your STN and burned tips show up during your vodka dosing or before that or after that?