cemchris said:

After reading on those I doubt it. I would be skeptical of any company that's not forth coming with labels, sources, and analysis. Specially for the price. Money doesnt make stuff grow better.

The P31 microbes are for amended soil grows. If you are using nutrients it wont matter. Most P sources in nutrients use the orthophosphate form, which is plant available. Now it prob works and is prob a micro inoculat. Is it any better then 300 others? No idea. Does it use other microbes? Again no idea they are fixated on the P stuff with it. P is prob one of the lesser used nutes in cannabis compared to K, Ca, N and even a case for S, and Mg. Makes sense tho since P is one of those harder nutes to have available in soil specially with high clay content. Edit: for that price without a guaranteed analysis hell naw. Looks like they are taking the approach "it's expensive cause it's so good" Oregon did the testing of a lot of microbe products on the market a few years ago and a lot of the label claims were way overblown and not accurate. If you look around you can find it. It can help steer you to good products.

The Si28 looks to be the same as Facilitator or OSA28. Insanely overpriced silica that claims the world but doesn't perform. Not to mention with no labels or analysis to look at forget it. Just colorful labels. If you want a good read of Si and the claims and labels http://customhydronutrients.com/page_2.html to have a better understanding on it. Then check the price of some of that stuff on the list.

Now I haven't used these, so there is that, but I never would. Sorry to be a debbie downer just being real. If anything maybe an argument for P31 but not the silica.

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