{outdated} Intex Pure Spa to Gardena adapter

V2 is also available. It features a raised nozzle to achieve better compatibility with more gardena connections: https://www.thingiverse.com/thing:4491253

This is an idea I had last week. Instead of warming my Intex Spa in the daytime during summer, I now just put this on the exhaust of the pump and put a black garden hose in the sun to warm the water up.