We have these PREMIUM CLAY PEBBLES at the special price of £12.50 a bag which saves you tons!! Posted on August 5, 2014 by Green light Hydroponics & CBD Specialists Gloucester we have these at the special price of £12.50 a bag which saves you tons!! 51.858739 -2.260755 Gloucester, Gloucester, Gloucestershire GL2 5WZ, UK Share this:TwitterFacebookLike this:Like Loading...