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Cleaning carbon for an air filter

lxcpanda

New Member
no experience with this for making own filter but activating charcoal is a thing, with vinegar. i think activating it binds the toxins or something. maybe also bubble it in water with an airstone to draw out toxins with the oxygen bubbles. if smell is a concern, probably better to not take the risk, or at least have new/clean charcoal ready to replace if the diy clean doesnt go accordingly.
 

Rifleman

Member of the Month: Mar 2016 - Plant of the Month: Nov 2015
To reactivate the carbon you have to bake it at a high temp. After it has cooled blow away the ash and use what is left. Or you can drill out the rivets and just replace the carbon with new if you prefer.

Weigh your filter when it's new/refurbished and use a sharpie to write it on the end. Weigh it again when you think it needs replacing. Mine gain 10% weight between fixes.
 

Brewsterman

Well-Known Member
You can make charcoal by burning hardwood in a sealed container, w/small vent holes, in a fire. Crush to size, then activating it . done by soaking in hydrochloric acid, bleach, lemon juice or vinegar ( to open the pores in it) then washing in clean water ( RO, or clean low ppm river, spring or rain) to make water filters
I'm sure you could reheat and reactivate it, as the heat would burn off anything in it
 

Virgin Ground

Nug of the Year: 2020 - Member of the Month: Feb 2020 - Plant of the Month: July 2020 - Nug of the Month: June 2019, Nov 2020 - Photo of the Month: Aug 2019
There is a method to recharge using h2o2 and cooking for quite awhile.
 
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