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OfflineChuck211
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Heavy metals in coconut coir?
    #26412717 - 01/02/20 02:53 PM (4 years, 1 month ago)

Hello, I am new to cultivation and am using the PF tek to mono tub method. I have inoculated my BRF cakes and the next step is making a bulk substrate to move the colonized cakes into. I was going to use coconut coir but recently heard from someone who works in the legal cannabis industry that a lot of grows tested high for heavy metals that used coco coir as their grow medium.
Has anyone heard of coconut coir testing high for heavy metals?
What is a good alternative that is easy to prepare?
I heard someone uses hardwood mulch, would the amount of boiling water added to mulch be different than the amount needed for the coir?


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InvisiblebodhisattaMDiscordReddit
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Re: Heavy metals in coconut coir? [Re: Chuck211]
    #26412743 - 01/02/20 03:09 PM (4 years, 1 month ago)

Cubensis won't grow on wood so you'd have to pick different species.

I would imagine most wood having higher levels of metal but I don't know. Haven't heard any concerns from any growers from hobby to commercial though with any commonly used substrate


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OfflineTakkaji
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Re: Heavy metals in coconut coir? [Re: bodhisatta]
    #26412771 - 01/02/20 03:24 PM (4 years, 1 month ago)

Azure? Those grow good on that wood I think.. idk... I started on Pans and stayed with them.


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Invisiblegizmo1
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Re: Heavy metals in coconut coir? [Re: Takkaji]
    #26412782 - 01/02/20 03:31 PM (4 years, 1 month ago)

Alzheimers is some scary shit.


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InvisibleStygianKnight
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Re: Heavy metals in coconut coir? [Re: gizmo1]
    #26412798 - 01/02/20 03:40 PM (4 years, 1 month ago)

A quick bit of reading shows that Coco Coir itself is low in heavy metals but is excellent at absorbing and holding on to them, (which seems to be one industrial use of coir).  This can be a problem in plant grows as it will trap and hold onto the heavy metals in fertilizer making them more available to the plant, but the metals seem to come from an outside source of fertilizer and not the coir itself.


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OfflineHolyBolete
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Re: Heavy metals in coconut coir? [Re: StygianKnight]
    #26413026 - 01/02/20 06:19 PM (4 years, 1 month ago)

This thread reminds me, does anyone know a good horse poo tek?


Edited by HolyBolete (01/02/20 06:20 PM)


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InvisibleInfiniteDreams
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Re: Heavy metals in coconut coir? [Re: HolyBolete]
    #26413070 - 01/02/20 06:42 PM (4 years, 1 month ago)

Reminds me of people making bone broth (considered very healthy) but using bones from cattle that were not grain-fed.  The heavy metals were stored in the bone marrow and then imparted into the bone broth.  So like StygianKnight said, where are the heavy metals coming from?

In my case it was the cattle's diet, not inherent to the cattle themselves.  So the coir shouldn't intrinsically have heavy metals in it, however, if the food source for the coconut had it would it then be in the coir?  Is our coir contaminated?  Also, should look at the biological transference for the shrooms, even if heavy metals are present in the medium, will cubensis absorb them?


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Invisiblegizmo1
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Re: Heavy metals in coconut coir? [Re: InfiniteDreams]
    #26413086 - 01/02/20 06:56 PM (4 years, 1 month ago)

Quote:

InfiniteDreams said:
Reminds me of people making bone broth (considered very healthy) but using bones from cattle that were not grain-fed.  The heavy metals were stored in the bone marrow and then imparted into the bone broth.  So like StygianKnight said, where are the heavy metals coming from?

In my case it was the cattle's diet, not inherent to the cattle themselves.  So the coir shouldn't intrinsically have heavy metals in it, however, if the food source for the coconut had it would it then be in the coir?  Is our coir contaminated?  Also, should look at the biological transference for the shrooms, even if heavy metals are present in the medium, will cubensis absorb them?



I've seen cubensis consume aluminum so I'm thinking if there is heavy metals in the coir then maybe yes? Ever tried to grow in aluminum trays? Cubes will eat that shit lol. Or atleast break it down I'm not going to pretend that I know what's going on at a biological level but I can tell you I won't be using aluminum trays anymore.


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OfflinecronicrFacebook
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Re: Heavy metals in coconut coir? [Re: gizmo1]
    #26413095 - 01/02/20 07:01 PM (4 years, 1 month ago)

Cubes d0nt consume aluminum :super: the enzymes released while colonizing can put holes in it but it's only an issue with colonizing subs or we wouldn't be sitting cakes on top of it


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InvisibleSpunkyMonkey88
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Re: Heavy metals in coconut coir? [Re: StygianKnight]
    #26413252 - 01/02/20 08:47 PM (4 years, 1 month ago)

Quote:

StygianKnight said:
A quick bit of reading shows that Coco Coir itself is low in heavy metals but is excellent at absorbing and holding on to them, (which seems to be one industrial use of coir).  This can be a problem in plant grows as it will trap and hold onto the heavy metals in fertilizer making them more available to the plant, but the metals seem to come from an outside source of fertilizer and not the coir itself.




Makes you wonder how much aluminum is passed into the fruits when you spawn your shit into those aluminum baking trays and bu the end of the first flush theres already holes in it from the mycelium digesting it...


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OfflinecronicrFacebook
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Re: Heavy metals in coconut coir? [Re: SpunkyMonkey88]
    #26413301 - 01/02/20 09:15 PM (4 years, 1 month ago)

Again the mycelium is not digesting it


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OfflineJesusOnAdderall
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Re: Heavy metals in coconut coir? [Re: InfiniteDreams]
    #26413351 - 01/02/20 09:47 PM (4 years, 1 month ago)

Quote:

InfiniteDreams said:
Reminds me of people making bone broth (considered very healthy) but using bones from cattle that were not grain-fed.  The heavy metals were stored in the bone marrow and then imparted into the bone broth.  So like StygianKnight said, where are the heavy metals coming from?




In some parts of the U.S high concentrations of lead were a result of lead gasoline but there wasn't really a country wide cleanup after unleaded gasoline was standard. So anywhere downwind of busy highways could still be somewhat contaminated today.

There are also superfund sites all over the country and living near one carries a higher risk of health problems and could also be responsible, especially if heavy metals are seeping into a water table.


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OfflineChuck211
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Re: Heavy metals in coconut coir? [Re: StygianKnight]
    #26413401 - 01/02/20 10:20 PM (4 years, 1 month ago)

Thanks! What you said makes sense and cleared up any worries I had about using coconut coir.


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OfflineKizzle
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Re: Heavy metals in coconut coir? [Re: SpunkyMonkey88]
    #26413444 - 01/02/20 11:10 PM (4 years, 1 month ago)

Quote:

SpunkyMonkey88 said:
Quote:

StygianKnight said:
A quick bit of reading shows that Coco Coir itself is low in heavy metals but is excellent at absorbing and holding on to them, (which seems to be one industrial use of coir).  This can be a problem in plant grows as it will trap and hold onto the heavy metals in fertilizer making them more available to the plant, but the metals seem to come from an outside source of fertilizer and not the coir itself.




Makes you wonder how much aluminum is passed into the fruits when you spawn your shit into those aluminum baking trays and bu the end of the first flush theres already holes in it from the mycelium digesting it...



FYI vermiculite is like 15% aluminum oxide :grin:


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InvisibleSir Pentinite
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Re: Heavy metals in coconut coir? [Re: Chuck211] * 1
    #26413511 - 01/03/20 12:39 AM (4 years, 1 month ago)

Quote:

Chuck211 said:
I was going to use coconut coir but recently heard from someone who works in the legal cannabis industry that a lot of grows tested high for heavy metals that used coco coir as their grow medium.




That is just going to get people worked up without knowing any of the facts.

All they have to do is test the unused coir to see if that's the cause. Testing the cannabis after it's been exposed for months to coir, water, fertilizers, and possibly soil or even industrial fallout doesn't do anything to identify the source.


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Invisiblesporealchemy
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Re: Heavy metals in coconut coir? [Re: Sir Pentinite]
    #26413534 - 01/03/20 01:13 AM (4 years, 1 month ago)

Even if the metals were present what is the likelihood of cubensis uptaking metals in the same way cannabis does?


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OfflineSolipsis
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Re: Heavy metals in coconut coir? [Re: sporealchemy]
    #26413588 - 01/03/20 02:35 AM (4 years, 1 month ago)

The aluminum - Alzheimer's link is debunked.


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InvisiblebodhisattaMDiscordReddit
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Re: Heavy metals in coconut coir? [Re: Solipsis]
    #26413641 - 01/03/20 04:49 AM (4 years, 1 month ago)

Probably for over a decade now


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InvisibleSpunkyMonkey88
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Re: Heavy metals in coconut coir? [Re: Kizzle]
    #26413673 - 01/03/20 05:38 AM (4 years, 1 month ago)

Quote:

Kizzle said:
Quote:

SpunkyMonkey88 said:
Quote:

StygianKnight said:
A quick bit of reading shows that Coco Coir itself is low in heavy metals but is excellent at absorbing and holding on to them, (which seems to be one industrial use of coir).  This can be a problem in plant grows as it will trap and hold onto the heavy metals in fertilizer making them more available to the plant, but the metals seem to come from an outside source of fertilizer and not the coir itself.




Makes you wonder how much aluminum is passed into the fruits when you spawn your shit into those aluminum baking trays and bu the end of the first flush theres already holes in it from the mycelium digesting it...



FYI vermiculite is like 15% aluminum oxide :grin:




Alright that's it, I'm out!

Lol


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InvisiblebodhisattaMDiscordReddit
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Re: Heavy metals in coconut coir? [Re: SpunkyMonkey88]
    #26413678 - 01/03/20 05:45 AM (4 years, 1 month ago)

Even before modern times humans received more than enough aluminum. Your body gets rid of it. Aluminum in the brain is a symptom of Alz not a cause.

Like finding broken glass is a symptom of breaking glass not the cause of the glass breaking.


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