Frankster
Never trust a doctor who's plants have died.
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Chemical formula | KH 2PO 4 |
Molar mass | 136.086 g/mol |
Appearance | White powder, deliquescent |
Odor | Odorless |
Density | 2.338 g/cm3 |
Melting point | 252.6 °C (486.7 °F; 525.8 K) |
Boiling point | 400 °C (752 °F; 673 K) , decomposes |
Solubility in water | 22.6 g/100 mL (20 °C) 83.5 g/100 mL (90 °C) |
Solubility | Slightly soluble in ethanol |
Acidity (pKa) | 6.86[1] |
Basicity (pKb) | 11.9 |
Refractive index (nD) | 1.4864 |
Thanks for the reassurance cemchris, this is what I was looking for with this post. Like I stated above, I like organics, but I also have a real affinity for chemical adjustments, especially for the end part of the program, where ph adjustments are required, or replenishment of certain nutrients are appropriate.Staple with most salt guys. Also keeps you from buying bloom boosters that charge you 10x or more for the same thing most of the time.
Thanks for the reassurance cemchris, this is what I was looking for with this post. Like I stated above, I like organics, but I also have a real affinity for chemical adjustments, especially for the end part of the program, where ph adjustments are required, or replenishment of certain nutrients are appropriate.
I would much rather use something that's functional, instead of simply adding in stuff that the plant can't use, so having both a acidic and base forms of both potassium and phosphorus seems key to that endeavor.
What are some of the most useful salts, or compounds to have on hand in your opinion? Do you use dipotassium phosphate or phosphoric acid?
Do you use any of the ammonium salts? or Urea? I think using urea might produce some Co2 byproducts (during uptake) that could possibly prove useful, but who knows the amounts, if they are only trace. But even traces should prove useful, especially with Co2
Calcium nitrate, potassium sulfate, potassium nitrate, mono potassium phosphate, magnesium sulfate plus micro nutrients generally make up the standard 6 pack. those salts can make a complete formula from start to finish, just adjust for stage of growth, and the quality of salts makes a difference as well.
Yeah been using this for a long time. The more diverse selection of salts you have the easier it is to dial in your targets.
I personally don't use any ammonium or Urea products at all, a specially not on top of my 6 pack, I find they do more harm then good, but thats just me.
Hey Frankster the best part about growing is there is a million different approaches one can take to grow really good plants, and the only thing that matters is finding what works for you, there is many opinions and suggestions out there of what to do, use what works for you and scrap the rest.
My approach now a days is keep it simple, the 6 pack salts I listed above does that for me, It took a few rounds to dial it in, to get the ratio's right for my setup/room medium etc. . but that 6 pack will give me everything I need from start to finish, I find it easy and stable as I never have issues with deficiencies or anything. I lean heavily on ratio's within the formula like N to K or K to Ca to Mg etc, depending on plant stage , other people not so much. if I want to play around thats usually with additives, generally I always run fulvic/humic kelp enzymes, microbes, but there is a million more, triacontanol and chitosan are good ones but many more. Have fun
Amen. Ratios is everything.
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