My pool was constantly loosing water after the opening. The company who opened the pool couldn’t detect the problem, so we had to find someone else to do it. Other company came, did a pressure test and then gave us a quote for pipes replacement, which was over our budget. So we decided to have second opinion and get quote from another company. We had to do our research again and finally were lucky to call Ontario Pool Service. Their technician came to our house, did pressure test again and after detailed inspection figured out that the problem was in the filter valve, which wasn’t working properly and loosing water to the waste. So he fixed the valve and we ended up paying around $200 instead of $7000 for pipes replacement. We are very pleased with their service and highly recommend to anyone looking for reliable and knowledgeable pool company! Keep up great work, guys!