If you keep multiple tanks, Pex pipe can be one of your best friends. It is a very versatile tool to have in your cichlid keeping toolbox. That toolbox post is four years old now, but I still use every item listed there. I could probably add a few more items, but that’s a post for another day. Here I focus on Pex pipe or tubing.
I have posted a few times about how I do water changes. All of my cichlid tanks, except my quarantine and hospital tanks, contain sand substrates. As a result, I use a system I created using Python water changers that easily minimizes loss of source water, cichlid fry, and sand. My process utilizes two Python brand water changing hoses and a few other components.
How do you remove a sand substrate from a tank, which contains fish, without stirring things up? One of the simplest ways is to use a gravity siphon.