Hoʻopiha mau ʻia nā kini hao meaʻai i ka nitrogen, a ʻo ka noho kaʻawale ʻana mai ka lewa he mea maikaʻi ia i ka mālama ʻana i ke kofe a me nā meaʻai ʻē aʻe, a ʻaʻole maʻalahi ke hoʻopau ʻia.Ma hope o ka wehe ʻia ʻana o ka ipu hao kofe, pono e ʻai ʻia i loko o 4-5 mau pule.Eia nō naʻe, ʻaʻole maikaʻi ka ea a me ke kaomi ʻana o ka ʻeke, a ʻaʻole maʻalahi ka mālama ʻana a me ka lawe ʻana.Ma kahi o 1 makahiki ke ola o ka mālama ʻana, a maʻalahi ke wāwahi i ka transit.Paʻi nā kānaka i nā hiʻohiʻona ma nā kini hao, no laila ʻaʻole wale nā huahana e hana i ka mālama ʻana i ka meaʻai, akā loaʻa nō hoʻi kahi hiʻohiʻona hoʻonaninani, hiki ke huki i ka manaʻo o nā mea kūʻai aku.Pono nā kaʻina paʻi paʻakikī e loaʻa i nā hopena nani.ʻO nā kini hao pahu kope i hana ʻia me ka tinplate, e like me nā ʻano o nā mea i loko (kofe), pono e uhi ʻia me kekahi ʻano pena ma ka ʻili o loko o nā kini hao i mea e pale ai i nā mea i loko o ka pale ʻana i ka paia o ka pahu a me nā mea mai loko mai. hoʻohaumia ʻia, kahi kūpono no ka mālama ʻana i ka wā lōʻihi.