what can I do to lower it?You will kill your plants. Get it to around 6.0
http://howtogrowmarijuana.com/hydroponic-marijuana-ph some good info for you.
for a quick fix until you get a kit you can use vinegar.what can I do to lower it?
a ph tester... of ebayYes they will die unless you fix this.
What are you using to measure the ph?
So have you tried to lower the PH yet? The longer you wait the more damage to the plant.a ph tester... of ebay