just found a local place selling 3 Vol so no need for complicated math now. All I've read doing the H202 rinse is best to rid of bugs. so will give this a shot.
i need to wash my buds due to spider mites. I intend to use H2O2 but can't find the mixing ratio anywhere.
I have couple of 20 litre buckets and a bottle of 30 Vol. Can anyone give me some guidance here