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Did a bit of snooping. This is just put up as a fwiw. Ok, so first (y'all prolly know) what is Brix? https://en.wikipedia.org/wiki/Brix "Degrees Brix (symbol °Bx) is the sugar content of an aqueous solution. One degree Brix is 1 gram of sucrose in 100 grams of solution and represents the...

Here is the source from the OP for reference if anyone needs or wants to see the couple missing pics. http://passel.unl.edu/pages/informationmodule.php?idinformationmodule=1092853841&topicorder=3&maxto=8&minto=0 I have also noticed a disparity with how people place value on VPD as well. There...

In regards to the OP. You want about 800-1500 umols at the canopy level. Whatever wattage of whatever light you need to get that will be appropriate watts per square foot. I've narrowed down the "larf" intensity to occur in levels at or below 400 umols with 12 hr photoperiod. With...

I've seen several papers now that note pH not really being a factor in containers (soilless) for availability. At the very least, not in the same way or magnitude that occurs in soil. As an example; "A common belief is that pH of the container growth medium must be 6.5 to 7.0. This is...

Take a paper towel and push a corner into one of the drain holes of the pot. Let the paper towel extend outward from the container base. You can use multiple paper towels (ex. one in each hole) and / or replace with new towels if needed. If the pots are elevated at all then the paper towel...

...possibly enabling them to differentiate and establish a root system before desiccation and/or starvation" LINK "Adventitious root & bud formation **Stem and leaf-bud cuttings only need to produce adventitious roots **Root and leaf cuttings need to develop both adventitious buds &...

Boy there are literally thousands of named nutrient solutions over the years. Hoagland has definitely been used the most widely I suppose though. *Note though, that the Hoagland solution was designed for tomatoes in full fruiting, in a certain container size and with a certain rez volume...

So, I've been digging into organic info a bit. A couple things strike me as odd. - Evidently all the organic N from all the different sources are 100% ammonia!? Now in a open soil this wouldn't be an issue. In containers though does anyone monitor the NH4 to NO3 ratio in their organics...

Top yellowing Fe- most likely. Cl+ can also show similarly, but Cl sources are not often added. Does your "general nutrients" have micro elements? What is the pH of your medium?

Yeah there are different ANSI codes for a 250w HPS and 250w MH. I know electronics can in some cases run both bulb types, but I'm not aware of a magnetic ballast being able to. I believe that the capacitor (also called ignitor) is bad. Whenever the caps are bad, they will fail to start a...

...look at the highest application rate of all crops in the 500 page booklet. Corn @ 300 bushels. 200lbs of P = 44ppm and 280 lbs of K = 116 ppm **These are the starting levels, applied once through the entire growing season and are considered to be "highly excessive" when it comes to run-off...

...under 150w vertical hps. No training or trimming. Appx. 6" x 6" grow space lol ( 8 in 24" square). Based on watering daily with no run-0ff: *Lowering the K value in relation to N virtually eliminated purple stripes and petioles (assuming happy roots and root environment). Note that...

Ye I did a thread on Ca:Mg ratios I suppose. Recommendations can be all over the board and vary depending on if we are looking at base saturation or a nutrient solution. In general, and from a ppm perspective; Ca:Mg ratios in hotriculture typically vary between 3:1 - 10:1 (which is to say...

...longer than 2 months. I.e. did not show on non-rootbound plants. Theoretically in plants that are not rootbound can tolerate down to a K:N ratio of 0.6 minimum (ex. 60K to 100N), but I've not tested that yet. *fwiw, lowering my K:N ratio played a role in reducing stem and petiole purpling.

Pretty close :D Ye got the humidity (fogger) version and the standard DIY bubble type cloner. Though I use plugs instead of bare root. For medium I'm typically in Coir / Peat mixes; but I'm always changing fractions as I'm never happy with mediums heh. Other than humus, I'm hydro or well...

He's dissolving the O3 in the nutrient solution for sterilization. It's being added with a venturi. He is also filtering air coming out of that res with Carbon. Do you think that would be sufficient? Not excluding that he could have some in the air, just was saying I couldn't find that it...

one thing that bugs me a bit is inconsistencies with mobility in plants. Some places show K as highly mobile, mobile or even partially mobile. From researching it seems K is highly mobile for deposition but less mobile for remobilization, possibly adding to confusion. I'm not sure if we...

While I wouldn't disclude a bug as was mentioned.......If not a bug I'm siding with FlyingJ about Mn. I highly highly doubt Ca- as you probably have plenty of Ca relative to N (4th most uptaken in ppms behind N,K, and P). I'm not considering this likely, but atmospheric O3 can cause...

@BlackSheepOG Very nice pics man!! What are all the newbies? Excellent observation with the K-!!! Also, thank you VERY MUCH for pointing it out (honestly). I would always prefer (with me) that people point out things wrong, rather than just say "looks great". So thank you for being...

Fuel 45 days