That would probably be your best option and make sure to remove all items that would contact the water, like nets and such. I wide get the widest house possible so that you can maximize the amount of air exposed. Probably multiple hoses would be good too.
Roaches are really that bad? Maybe you should consider getting a house gecko. haha
55gPLANTED:Rainbows/Loaches/Garras|30gVIV:Crestie|20gL:Leos|10g:Pearl Fighter|5g:Betta|5gChi:Spark Gourami/Badis|5g:ADF|2.5g:Betta|2.5g:Betta|