Small solar pumps on Amazon are as low as $18. This one is a bit pricier, but pumps 350L/hr at up to 45-inches high (head height).. http://www.amazon.com/Instapark%C2%AE-LARGE-SOLAR-POWER-WATER/dp/B0018S7X0S/ref=sr_1_8?ie=UTF8&qid=1383722227&sr=8-8&keywords=solar+water+pump