Anything is possible. The crypts would be ok with root tabs, java fern and anubius would work with dosing. I would think EI dosing without CO2 would depend on your lighting and I think algae would become a problem. I'm by no means an expert as I'm just getting into CO2 and EI dosing. Its just my understanding of the needed balance between light,ferts, and CO2.
125g makeover ,2x75g, 55g, 40g breeder, 29g, 2x10g, 100g stock pond..........MTS ? Nahhhhhh Just acquired a 150g tall and a 30g long Fraternity of dirt #135 join---> The 6 Foot Plus Club