soil mixture

ok finaly getting my soils mixed up. got the room covered in the white/black plastic i heard was really nice. having a problem with the ballast light is taking 30+ minutes to power on cold. but am looking into eather a 1000w or 600w instead and keep the 400 for back up in an emergancy. we boxed off a bin 4 foot 10 x 2 foot 6. for pots to be held in.
anyways i mixed up 50% pete moss 30% perlite and 20% top soil. the PH on it is a little above 6.0 the colers where not overly clear and dont have the loot to put into my digital gage. will this be a good enofe median to grow in or should i make some adjustments?

PS top soil was the only thing we could find that didnt have ferts. in it

Your plants should be fine, your probably going to have to stake your flowering ladies though.