Header image  
The #1 Cannabis Website in the WORLD.  
line decor
  HOME  ::   Message Boards  :: Photo Image Gallery   ::  Medical Marijuana   ::  
line decor
   Main Menu

pH / EC / TDS / PPM

What pH level or range should I aim for?

Marijuana thrives in neutral to slightly acidic mediums. Soil and soilless mixes should aim for pH of 6. Hydro growers should go slightly lower which helps prevent pythium and other root rots-- 5.5 to 5.7 is ideal.