I have a small one and its my favorite piece. i use a glass screen because if ash sucks through it eventually turns the water to a black sludge

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With my feet upon the ground, i lose myself between the sounds and open wide to suck it in, i feel it move across my skin. im reaching up and reaching out, im reaching for the random or whatever will bewilder me, whatever will bewilder me. following our will and wind, we may just go where no ones been. We'll ride the spiral to the end it may just go where no ones been. Tool---Lateralus