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This is from the online store and states the same 2800RPM but 350 CFM. But then in the description it's rated at 402 CFM. Purely an academic observation on my part (and most likely a typo that never got updated in the graphic).

I'm voting for magnesium. Some epsom salt, perhaps?

Are you filtering the incoming air? If so, what good is that?

Bugbee at Utah State University is using wollastonite in their greenhouse mix. It's suppose to release Si throughout the grow cycle. It does indeed pop pH by as much as a point. They recommend 1g/L Wollastonite, about a tablespoon per gallon i think, which isn't much, so might not affect the...

Interesting, thanks for sharing. According to this chart, rice hulls (green line) contribute only a fraction more than other media to the total silicon.

Anyone else using this mix? It is supposed to give balanced silicon and pH. The mix they use is for all their studies is: 75% peat 13% vermiculite 12% rice hulls 0.7kg/m3 wetting agent 1kg/m3 wollastonite (equals 1g/L) 1.3kg/m3 hydrated lime Here is a publication documenting performance of...

Attached a transcript of this video. It's old but still has worthwhile gems. Like, I learned vermiculte provides silica. VIDEO CONTENT 00:00 - Intro 00:58 – What are the nine cardinal parameters of growth 2:12 – Optimizing Light 10:52 – Best temperature 11:55 – Best humidity 13:42 – Wind...

Is this the link you're looking for? https://www.digikey.com/en/products/detail/thomas-research-products/BLED20W-100-C0200/6594909

In regards to cannabinoids, "BBLR + Defoliation” was the most uniform treatment (Bottom Branch Leaves Removed) And THC is high for this treatment, as shown in this chart.

https://pubmed.ncbi.nlm.nih.gov/34579367/ tldr: "The results revealed that pruning the plants twice during cultivation was the optimal practice for increasing yield, and other treatments decreased or did not affect yield quantity."

I'm not doing any topping, also as a test. From the looks of this study, it's not so bad. Especially when factoring in effort, veg time, etc. https://pubmed.ncbi.nlm.nih.gov/34579367/ tldr: "The results revealed that pruning the plants twice during cultivation was the optimal practice for...

Leaves saturate at around 1200ppm.

Best Grow Lighting for Cannabis with Dr Bruce Bugbee | Far red ePAR A complete guide to the best grow light spectrum and PAR intensity for cannabis with scientist Dr Bruce Bugbee, Founder of Apogee Instruments and professor at Utah state university. We discuss recent studies on the effect of far...

No to sand. Yes to perlite.

You're right in a way, could be more magnification. Reading your other thread and would like to see your pics/videos if you could post up here!

So... Are you gonna run that light as is? Or replace the Wago connectors? I mean at this point, what's your confidence level 0-10?

I'm in Massachusetts and it's great being able to pick up something I don't grow, like concentrates and vape cartridges! But heads up TucanzJr, there are purchase limits for out of state in Illinois. Out of State Purchaser -250mg edibles and/or Topicals -2.5 grams or 2500mg concentrates...

This is fun! Here's your closest place. I got it on this site/app https://ilcannabismap.app/. https://thriveil.com/metropolis-menu/ Can we make some recommendations for you from their menu?

That's a long drive to take without any weed ;)

Recreational States Probably Illinois for the next year. Not Virginia, yet. "Although the state of Virginia has legalized cannabis for recreational use, there are currently no adult-use dispensaries open for business. The earliest date recreational dispensaries will be open is 2024. "...