Comparing grows: Addresing/Ignoring pH

Does anybody have any personal pictures they are willing to share of plant grows in a pH friendly environment vs. ones where it was ignored?
Even looking to hear personal accounts they are willing to share from before & and after including a pH sensitive process in grows. And if there are any documented increases in yields…
I’m trying to evaluate and measure the true avg. range of expected boosts to results, yield & potency with pH control. Can it double it? Do you usually see a 15% or 40% improvement? And so on…
I am also looking to learn the same thing on different growing mediums. Anything helps!

I’ve got nothing but jumped in b/c I have the same questions. I start seeds indoors in winter to plant outdoors in spring. I use ProMix BX for the substrate. I use well water indoors and rain & rainwater I collect from my steel roof outdoors. Been doing it this way for many years with great results but always willing to give process improvements based on scientific evidence a shot.

@MedMan1878 I’m no scientist or anything but the proper water pH has more to do with how the plant processes nutrients.

Go look through the forum by searching for the term support ticket and then sort by latest date and you will see hundreds of support tickets opened and 99% of them are related to pH issues and nutrient damage to their plants!


@bob31 thanks for specifying the “how it processes nutrients” aspect. I had discounted it as an indoor specific issue in my mind since I’ve rarely encountered many of the visible symptoms of deficiencies or overload. I’ve burned a few ladies with nitrogen from using manure or compost that wasn’t aged enough. I’ve seen a trace of Cal Mag symptoms but overall it has never been an issue. I’ll have to scour more of the pH related posts to see the difference between which symptoms are related to hi pH and which are more common of lo pH.


actually if you look at the deficiencies and excesses chart I have noticed through researching here on the site, that most are on the excesses side of the chart and not deficiencies.

Most revolve around giving nutrients when they don’t need it or the pH being off so that the nutrients aren’t being absorbed properly.

Truth is it took me awhile to figure out the purpose of the TDS measurement and once I understood that and the relationship to pH and nutrients it all clicked!

PS Not quite a mad scientist, but getting there!


There really doesn’t need to be any pictures of plant grows in a pH friendly environment vs. ones where it was ignored. A pH friendly environment will always out perform one that isn’t and that’s a fact. Anyone who has had trouble with p h durnning flower will tell you the difference in what could have been if only there p h was or had been under control, And if your p h is off in any medium you use regard less your yield and potency will suffer big time. Soil pH is one of the important factors that must be controlled with in an ideal range to give the best marijuana crop. The range of ideal pH for cannabis plant cultivation varies slightly due to the technique being used.



like whats deemed soiless with peatmoss even tho its sold as a soil