Universal T Connecter
This universal T connector makes it easy to connect an additional line from your your pump, especially if it is a different size. For use with kink-free tubing, it includes tee and 3 x female 1-1/2" thread adapters. Fits 3/4" to 1-1/2" diameter tubing.
Features:
You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.