PK 13/14 is a dynamic flowering super booster that will totally amaze you.  It is an extremely concentrated formatulation containing a carefully blanced and integrated blend of pure phosphorous and potassium elements  for superior flowering results.  This unique combination of elecments can be called a super bloomer that develps haevier larger sweeter crops extremely quickly.  PK 13/14 has been proven by professional growers worldwide to increase tghe weight of your harvest significantly crop after crop.  PK 13/14 is totally unique, absolutely safe, easy to use and incredibly effective.  A proven product that every grower should be using.