pehenry Posted January 15, 2011 Share Posted January 15, 2011 I noticed in the grow area, franco recommended a ph of 6.5 for indoor indica in hydro systems. When i looked at some of the older strain-specific videos (like White Rhino) they recommeded 5.5. i was wondering why is there a difference, did they find out that it is actually better to run the higher ph? Link to comment Share on other sites More sharing options...
h3rbalizer Posted January 16, 2011 Share Posted January 16, 2011 I normally shoot for around 5.2-5.5 during veg then bump it up to 6 in flowering and never more than 6 its a safe range for me so i just work with that for most strains, same ph for my indicas and sativas. you seen the feeding chart in the advanced techniques topic? worth a read. Link to comment Share on other sites More sharing options...
indicando Posted January 17, 2011 Share Posted January 17, 2011 there is the GH feeding chart Link to comment Share on other sites More sharing options...
Guest superbluehaze Posted January 17, 2011 Share Posted January 17, 2011 it does depend on your medium.Remember Green house grow in Rock wool which is slightly more alkaline than other mediums so requires a higher ph than other mediums do. if your ph is too low then micro elements are locked out.Usually a ph of 5.6 to 5.8 for veg, and around 6 to 6.3 for flowering so that the potassium and phosphorus become more available to the plant.happy growing,john Link to comment Share on other sites More sharing options...
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