This is an outdoor grow...I have a 50 gallon res. With a ecoplus 633 water pump. The 1/2 hose is looped around the pots and is connected with 1/2" (13MM) TEE which comes back to the res. I need to pump water through 40 feet of 1/2 inch hose. I have three 30 gallon and three 20 gallon pots with...