For ongoing indoor smoke (regular cigarette, cigar, or marijuana use), a minimum of 2 lbs of granular activated carbon is the practical threshold
Here are a few pics of my creations so far
We have treatments that are proven to work for older people and are very likely to work for young people as well
Our tobacco is not tampered with in any way, just hung up on wooden battens and left to dry naturally
Importantly, it also avoid the displacement of items
There drawn to life some spark or mistress dwells, Like hermits chaste and constant to their cells." Some of the more highly perfumed snuffs sold for thirty shillings a pound, while the cheaper kinds, such as English Rappee and John's Lane, could be bought for two or three shillings per pound