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I'm formulating my own stock nutrients. Was wondering is using Calcium Nitrate and no other ammonium salt is fine --- instead of using Calcium Ammonium Nitrate. It's very warm where I live, and I need to cut down my nitrogen levels. Anyone tried this?

I never really worried before, because I figure that the better the MJ is grown, then the better the MJ quality. Like a fine single malt Irish whiskey, a great grower can still be a distinct artisan, and still be sought after and showered with cash. Yeah step one of any venture is the ID your...

Perhaps I should make money then by selling all these people hydroponic systems, organics, fertlisers, lighting, automation, genetix etc

I see people saying that they cannot move their product because the market is saturated with prime nugs. A green rush is happening and all growers are moving there app to think they can get rich

Hey guys. Cons Canada: Yes everyone is saying Canada is going to legalise, but others are saying it's going to be a government controlled market, where you sell to them. Anyone else = worse penalties than before legalisation. Also I see SOP licensing seems like a bitch and a half. Cons USA...

Funny...I actually live in Africa lol

I've been using liquid GHE fertliser for years, always had Calcium issues. SO I started mixing my own from salts. Fun. Though I can use some expertise How much calcium is generally adequate for DWC? My plants aren't complaining, yet, 4 weeks into flower, but being optimal can't hurt. Worried...

Awesome. Thanx for the reply. I'm gonna try use silicone in a cardboard ring-shaped sandwich mold, hopefully it can cure quick thru the cardboard.

Interesting, yeah they pricey hey. How these selfmade ones turn out after use? What mold did you use?

Why 3 parts, your epsom is separate from mkp. Are you experiencing Magnesium Phosphate precipitation issues?

Here is how phosphoric acid controls pH as a function of increasing pH. Note how the H3PO4 becomes PO4 + 3H+ at like pH 13. Those 3H+ only are ionized or released, as the pH goes in the wrong direction (up), so the phosphoric acid molecule corrects for this by making acidic H+ hydrogen ions...

Potassium bicarb is what's known as a "weak base" which is why it makes a actual pH buffer in biological systems, and adds extra K seeing that you must add more than KOH. Buffer chemistry 101: strong acids and bases don't make a "buffer" per se, because they completely ionize in solution and...

Doing some safety research. Found some toxicological case reports about Potassium Hydroxide KOH below. From this it seems safer and better to use Potassium Bicarbonate which can be used as an actual chemical buffer against acidity, and isn't a strong base like KOH, which apparently can melt your...

It's what we got for now. Most dichots have "similar" nutrient ratio needs, apparently.

Maybe, but can you present me with better data? For recycling hydroponic systems such as NFT? I've seen the advanced nutrients one, and would love to see something else.

(Reposted from advanced marijuana cultivation. So here is where I think I should post nutrient science.) Found this gem the other day. If you a NPK ratio perfectionist like myself, have fun, just zoom in to read. Been scouring the scientific literature for cannabis nutrient uptake ratios as I...

Found this gem the other day. If you a NPK ratio perfectionist like myself, have fun, just zoom in to read. Been scouring the scientific literature for cannabis nutrient uptake ratios as I am formulating my own nutrient solutions for recycling hydroponic systems. Looked at reverse engineered NPK...

I have noticed from making my own "Bloom" stock solutions last year that after an hour or so that I get a nasty slug precipitate forming, which contained MgSO4 + MKP + KNO3 MKP + MgSO4 in same stock tank or bottle apparently is fine acc to some people, but others (like Haifa) say no those are...

Blue water White light Shiny salts Green life

God dammit.