The aquarium reactor is a highly useful piece of equipment in the aquarium hobby. This is how to build one!!
There are many types of reactors, including; carbon reactors, phosphate reactors, bio-pellet reactors, nitrate reactors, GFO reactors, calcium reactors and many more.
1/2″ CPVC (about a foot)
(3) 1/2″ CPVC couplings
1/2″ end CPVC cap
A glass pasta holder(use what you can find/need)
micro bulk heads : (CARLON Item #3623-662 Model #LQTCS-050)
The king of DIY