...I'd aim for a ph of 6.8ish.

Are you mixing your own potting mix? If so, you'll have to either add something (lime) for ph buffering, or keep a very close eye on your runoff ph. (peat has a very low ph)

Commercial peat-based potting mixes are usually pre-buffered, and are the easiest to use. Commercial compost mixes can vary widely in ph, but are generally in the 6.0 range, which is way too low for cannabis indoors in pots, and needs shitloads of lime and perlite added.

If mixing your own, there should be a recipe or two available. Use the site's search function, likely you'll stumble across 'em.

Next time though, try starting your own thread, and quit shouting at us. :thumbsup: