silencer

Hello, decided to ask here if people could give some good ideas how to plan air conditioning right to achieve silent opetaration (trying to as far below as i can from 40dB). I'm currently building a 4x4 tent setup right near my bed, so it really has to be even quieter than the the average setup...

Just made this for my room, cost about $20 and cut my fan noise by 3/4, all you need is a bucket with a lid 2 150mm duct connectors some mesh to roll the center pipe and some polyester stuffing

My grows vary each and every cycle , I use different techniques ( that I’m familiar with) And when someone gives me a speel about molasses... seaweed.... birth control pills, fim trim defoliant led , my mates in the 70’s etc I give it a try to find my own synopsis for thier theory .... anyone...

I'm building this work of art today.. After I finish I'll post the photos and destructions! Stay tuned ;)