This is a guide how to improve power of portable water turbine. The propeller turbine Ace-1 harvested here 500W of power at 2,3m head. There is still place to extend the pipeline and reach 1000W of renewable green power. The episode is more educational - we show how to build trash rack and some other maintenance activities on hydro power plant. Harvest green energy of water with "Hydropuzzle" turbines. This turbine in already not a toy.