What Sizes Pipes Should We Use For Our Koi Ponds And Water Gardens?

What Sizes Pipes Should We Use For Our Koi Ponds And Water Gardens? This video helps to understand how pipe sizes can affect your water flow from your pumps, to filters, through UV lights, or down waterfalls. Choosing the right size pump is critical to the function of your pond and it's filtration system, and using the proper size pipes is just as important.