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InvisibleBuck513
Registered: 04/17/14
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Fruiting with Metal Halide
    #22005395 - 07/27/15 04:33 PM (8 years, 6 months ago)

Well, we all know the ideal color spectrum to grow mushies is 6500k.
I tried searching but I haven't found any grows where people have used something like a 600w MH bulb that's 6500k during fruiting.

What do you guys think about fruiting with something like this?

Any pros/cons to using such a heavy duty bulb? Would the outcome be worth using a Metal Halide? Granted this would cover a much larger area for fruiting mushies, I'm just curious as to if it would be worth it.

Just a thought. Discuss


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InvisibleGrey
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Re: Fruiting with Metal Halide [Re: Buck513]
    #22005421 - 07/27/15 04:38 PM (8 years, 6 months ago)

That's gonna dry your cakes out.


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Offlinehamloaf
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Re: Fruiting with Metal Halide [Re: Buck513]
    #22005428 - 07/27/15 04:39 PM (8 years, 6 months ago)

The downfall of using metal halide lighting to fruit mushrooms with is the heat load that comes with HID's.  The spectrum is correct though.  Also, metal halides throw off intense light.  Mushrooms don't require that kind of intense light to fruit.  Just ambient lighting.  That's why floros are used to fruit mushrooms indoors and metal halides are used grow plants indoors that require X amount of direct sunlight per day.


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InvisibleBuck513
Registered: 04/17/14
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Re: Fruiting with Metal Halide [Re: Grey]
    #22005435 - 07/27/15 04:40 PM (8 years, 6 months ago)

Cakes?
I figured you could just adjust the height and what not.
But you're probably right. There's 400w bulbs also, but mehh.

Just a thought I had.


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InvisibleBuck513
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Re: Fruiting with Metal Halide [Re: hamloaf]
    #22005439 - 07/27/15 04:41 PM (8 years, 6 months ago)

Quote:

hamloaf said:
The downfall of using metal halide lighting to fruit mushrooms with is the heat load that comes with HID's.  The spectrum is correct though.  Also, metal halides throw off intense light.  Mushrooms don't require that kind of intense light to fruit.  Just ambient lighting.  That's why floros are used to fruit mushrooms indoors and metal halides are used grow plants indoors that require X amount of direct sunlight per day.



I love you loaf.
Ive never seen anyone grow with one, so I assumed there was a reasoning behind it.


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InvisibleDr.Satan
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Re: Fruiting with Metal Halide [Re: Buck513]
    #22005658 - 07/27/15 05:20 PM (8 years, 6 months ago)

That thing does seem a bit heavy duty to have on your mushies for 12 hours a day, but I'm sure it would work. It's just a question of whether or not it would be ideal.


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InvisibleAlkaloids
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Re: Fruiting with Metal Halide [Re: Dr.Satan]
    #22007525 - 07/27/15 11:40 PM (8 years, 6 months ago)

You could use a 400W MH to light up about 12 X 12 ft area filled with mushrooms if you kept it at about 8-10 ft up.  :smile:  You just have to scale up to fit the light.  :psychsplit:


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InvisibleToadstool5
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Re: Fruiting with Metal Halide [Re: Alkaloids]
    #22007564 - 07/27/15 11:58 PM (8 years, 6 months ago)

They make 250W MH systems but you would want it hooked up to a exhaust duct and a can fan. If you had a 250W, proper ventilation streaming through the fixture, and a good diffuser it would probaby work really well but how can you compete with the electrical costs and low temperatures of floros?


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OfflineGalba Cubensis
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Re: Fruiting with Metal Halide [Re: Toadstool5]
    #22007641 - 07/28/15 12:33 AM (8 years, 6 months ago)

What are you even asking? It would depend on how far from your mushies the lightsource is... Too close and they'd have a pretty intense day of lighting every day, too far yeah you get my point. Maybe you should check this out:
https://en.wikipedia.org/wiki/Lux

I guess your question should be "How far away should my lamp be to not spontaneously combust my goodies?"?


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Edited by Galba Cubensis (07/28/15 12:33 AM)


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OfflineGalba Cubensis
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Re: Fruiting with Metal Halide [Re: Galba Cubensis]
    #22009427 - 07/28/15 12:36 PM (8 years, 6 months ago)

Whats wrong with this one?When you see it you will shit bricks though;)

Sry I ment this one, promise!


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Offlineblackout
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Re: Fruiting with Metal Halide [Re: Galba Cubensis]
    #22010127 - 07/28/15 02:52 PM (8 years, 6 months ago)

Quote:

Galba Cubensis said:
What are you even asking?



I guessed he already had one for weed, maybe not reading again though. I have a 125W blue spectrum large cfl and am currently using it for pinning. I was wondering if 12/12 is really needed all the time or just for inducing pinning. I was reading it is good for pinning, that it stimulates growth and the darkness is also needed, but after the shrooms are growing it seems it might not be so important, i.e. the shrooms may not respond as much as the substrate myc does. I guess it is still helpful but not to the same degree and if you are in some situation where its a major inconvenience you might get away without it once pins are going well.

RR used halides
Quote:

RogerRabbit said:
You'll get great pinning with that.  I had a dual grow a decade or so ago with 400 watt MH lamps providing the light.  It's a bit red in spectrum for mushrooms at +/- 4,000 Kelvin, but makes up for that with intensity.  The problem is that after a month of running that thing, you could pay for several nice compact fluorescent lamps with what you'll spend on electricity.
RR




Quote:

You'll definitely see an increase in pinning activity with metal halides, but they use a lot of energy and produce a lot of heat.




Quote:

The light needs to be intense enough to penetrate 1/2" into the substrate. Not all pins form on the surface. Many originate from deeper in the substrate or casing layer.




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InvisibleInocuole
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Re: Fruiting with Metal Halide [Re: blackout]
    #22010228 - 07/28/15 03:08 PM (8 years, 6 months ago)

If you could somehow get it to where the one light was dispersed across like 20 tubs, they would probably all perform magnificently, as long as you kept the heat under control.


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Offlinebakenast
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Re: Fruiting with Metal Halide [Re: Inocuole]
    #22010244 - 07/28/15 03:11 PM (8 years, 6 months ago)

i always use MH/hps light when im growing plants,,to fruit my tubs too, never had any issue, and use one grow tent to grow 2 things


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Offlineblackout
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Re: Fruiting with Metal Halide [Re: bakenast]
    #22010293 - 07/28/15 03:19 PM (8 years, 6 months ago)

I am using my 125W CFL partially because it supplies heat, nowhere near what a 600W would output though of course. I had a 600W HPS and the heat was shocking.


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Offlinematsc
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Re: Fruiting with Metal Halide [Re: bakenast] * 1
    #22010316 - 07/28/15 03:21 PM (8 years, 6 months ago)

Honestly that is a tremendous amount of overkill. Fungi do not use light for active processes like plants. They are not photosynthetic. Rather light merely acts as a signal for various genetic pathways. Light is a directional signal, a timing signal, etc. Light hits a protein, and its like flipping a switch, it just sets off various processes.

Essentially, as long as the fungi see a bit of blue spectrum light, and get the occasional bit of darkness, they're fine. A 20w CFL will provide just as much benefit as a 600w HPS, at a fraction of the cost, and without the heat and construction infrastructure to worry about. 

They aren't plants, you dont have to worry about PAR and max wattage per area. Keep it simple, these are things that grow in poo after all.


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OfflineGreenRabbit
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Re: Fruiting with Metal Halide [Re: matsc]
    #22010364 - 07/28/15 03:31 PM (8 years, 6 months ago)

I've only seen 600W lights like that used to grow weed and an air conditioner was required.
I used to use a series of 3 normal size CFL's and saw no extra benefit compared to just 1.

Mushrooms lack chlorophyll entirely, so produce zero energy by photosynthesis.
The presence and quality of light is important for pinning triggers only.

As for this:
Quote:

blackout said:

Quote:

You'll definitely see an increase in pinning activity with metal halides, but they use a lot of energy and produce a lot of heat.




Quote:

The light needs to be intense enough to penetrate 1/2" into the substrate. Not all pins form on the surface. Many originate from deeper in the substrate or casing layer.







My guess here is that the stronger light can create more pinning triggers, especially with the penetration ability.
The heat from the lamp may also help evaporation.

EDIT: I'd go with a 400W or less though. 1/3 of the price and probably just as good.


Edited by GreenRabbit (07/28/15 03:37 PM)


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InvisibleBuck513
Registered: 04/17/14
Posts: 5,682
Re: Fruiting with Metal Halide [Re: GreenRabbit]
    #22010821 - 07/28/15 05:06 PM (8 years, 6 months ago)

I love HPS.


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Edited by Buck513 (11/16/15 11:36 AM)


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Offlinebakenast
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Re: Fruiting with Metal Halide [Re: Buck513]
    #22011377 - 07/28/15 06:44 PM (8 years, 6 months ago)

it cannot put out anymore/less heat than electricity  it uses.. 400 watt puts out 400 watts of heat if its hps or mh  just like space heaters


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OfflineGalba Cubensis
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Re: Fruiting with Metal Halide [Re: bakenast]
    #22011866 - 07/28/15 08:25 PM (8 years, 6 months ago)

Quote:

bakenast said:
it cannot put out anymore/less heat than electricity  it uses.. 400 watt puts out 400 watts of heat if its hps or mh  just like space heaters




Nope


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Edited by Galba Cubensis (07/28/15 08:27 PM)


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InvisibleGrey
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Re: Fruiting with Metal Halide [Re: Galba Cubensis]
    #22011888 - 07/28/15 08:30 PM (8 years, 6 months ago)

Just spawn some grains to the soil in your plants. The pot plants should filter the intensity of the light. :lol:


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