Python No Spill Clean & Fill Aquarium Gravel Tube - 24 Inch Fish Tank Sand Cleaner for Easy Water Changes & Substrate Maintenance | Perfect for Freshwater & Saltwater Tanks

We have been using the Python for about a year I think so far and after using another brand for quite a few years, this one is superior in performance with ONE exception. The tube is too small for our tanks larger than 29, and we had to replace ALL GASKETS with pink rubber gaskets that you use for garden hoses. Otherwise the system leaked.HOW DOES THIS PERFORM IN OUR LARGER TANKS?This attachment makes cleaning the larger tanks a breeze. Originally purchased for a 75 gallon tank I have yet to set up, this attachment makes cleaning our 36 bow front and 29 gallon tank much easier. We also use the green hook over the top to refill the water, which is a pretty quick change. It will be handier for the 75 gallon tank which will need more refill water.WARNINGOne word of warning- make sure you replace the black gasket in this attachment with a rubber garden hose gasket (those pink ones). If you don't it will leak. We have done this to the entire system and it changed it from an almost return to a fantastic system. No leaks and quite sturdy.THE BOTTOM LINEGreat for larger tanks, this attachment works great and is easier to handle so that your hands are not submerged into the tank the entire time. As long as the gasket is replaced with the rubber kind that you use for garden hoses, it works like a charm. Without the replacement, it leaks.FIVE STARS- LOVE this size for our bigger tanks, and the easy swapability with the green hook for refilling larger tanks.