Don't bother with another filter if you can't afford one, buy a powerhead or similar to supplement the flow.
Original Aquasoil won't leach ammonia and won't cloud the water unless it is disturbed. If you put a proportionally small amount on the bottom of your substrate, you shouldn't have any problems with it finding it's way to the surface.
Original Aquasoil won't leach ammonia and won't cloud the water unless it is disturbed. If you put a proportionally small amount on the bottom of your substrate, you shouldn't have any problems with it finding it's way to the surface.