I bought this product from Walmart expecting to be able to heat my pool slightly with it. My husband hooked everything as specifically orderedin manual. We had to purchase different hoses and other parts to get this hooked up. My pump was also to small to push enough water through, so we purchased a larger pump. Through the whole process the dome portion was leaking where there was no way to stop it. With the purchase of the solar heater, hoses, pump and other parts, the whole system cost over $200 and my husband said that it was the worst "POS" (piece of shit) product we had ever purchased.