They "work", but not very well. You have to position them so they're basically touching the foliage to have any chance of decent yield. They're also not great for tall things because they don't have enough power to penetrate the canopy very deeply.
A couple years ago, I made a DIY LED light for my wife to use for starting her cutting flowers indoors in the late winter. It's mostly white LEDs with some additional reds to boost that end of the spectrum. It provides fairly decent coverage for a 4'x4' tent. At full brightness, it draws 200W. Running that on a 18-6 cycle, plus the fans, is definitely noticeable on the power bill. Yeah, it's efficient, but it's still noticeable power. Build cost was a little over $600 for that one lamp.
To grow enough veggies to be meaningful, you'd need a lot more space than the 4'x4' tent, which means a lot more lights. More lights and more space means more fans. It all adds up.
Plus, if you're not in a legal state, you'll eventually draw some attention from LE. This is especially true if you buy the old-style "blurple" grow lights some have mentioned here. That's old tech, anyway...Not nearly as efficient as full-spectrum LEDs. Nobody that does indoor growing for real uses blurples anymore.
It's fun to screw around with, but it's cheaper and easier just go to buy all the veggies you need at whole foods...
You have to prove to the powers that be:
Flooding is nearly impossible, so outside the 100 year flood plane
In the case of a wash out the distance to any moving water is so far that those waters will never reach it.
The threat of invasive species has most fishery biologists looking at any such project with microscopes. Near Twin Bridges there are a lot of private irrigation ponds that have been inundated with perch that are now less than two inches long because of flood waters. I don't think there are many perch in the Jeff, but they have driven out the possibility of any trout reintroduction in those private ponds.
[The Montana Gianni] Front sight and squeeze
Here is a system we prototype for use in space. This one uses aerobatics. https://science.nasa.gov/technology/...rdens-in-space
My system works best of all, I drive 4 miles down the road and buy produce from a farm owned by four older women……I like that a lot better than my back.
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Roger’s Rangers
There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves.
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It sounds like OP has tabled the idea anyway, but when I was thinking about an indoor setup, it seemed like an attached greenhouse off one wall of the house would be the best way to get enough sunlight without a million dollars in lights. Just supplementing should be enough. Hydroponics was also on my radar but it does require a lot of attention to water quality (chemistry, temp PH, etc) and can go south quickly.
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Check your maths...
200W at 18hr/day is 3.6kWh per day.
30 day then becomes 108kWh. That's $15.12 per month at $0.14/kWh.
That's just one lamp...Doesn't include the circulation fans or any pumps if running hyro. Add that stuff and scale it beyond 4'x4' and you're talking about real money.
And this is just running cost. Buying all this equipment as well as the consumables will be well into the thousands of dollars. How many carrots can you buy at Whole Foods for $5000?
Unless you're growing weed, this is hole to pour money into. I mean, even massive scale, commercial hydro veggie grows have trouble turning a profit.
Last edited by kerplode; 07-22-2022 at 01:03 PM.
I must have screwed something up when I was using the calculator LOL *doh* still, I go thru $50+++ a month in veg easy
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