Tough to do with a 10g and that pump is likely underpowered. Remember sump pumps have to push water upwards which is MUCH tougher than just re-circulating water. Typically pumps have flowrate vs pressure curves where for increasing head pressures (higher you have to push water upwards), the flowrate drops off until a shutoff point that it can no longer push water up. Via aqua pumps are notorious for having pump curves that die off very quickly.