When installing water tanks often people just run their pipes from their down pipe through the air to the top of their water tank. This is known a a dry system. If your tank however is located in an awkward spot, or you have multiple downpipes from your gutter, getting PVC via a dry system can be difficult and/or look ugly.
Thankfully, you can use wet rainwater harvesting systems (wet system). National Poly Industries have put an article together on this topic, how “wet systems” work, their advantages over dry systems, and how to ensure the system remains clean and robust:
Wet rainwater harvesting systems can provide an aesthetically pleasing solution to your rainwater collection needs. With a little careful planning, they can provide a plentiful source of high-quality drinking water. In this article, we explain how wet systems work, the advantages of wet systems and how to ensure the system remains clean and robust.
Read more: What are Wet Rainwater Harvesting Systems?