Converted air hose to water hose with a kit I bought online and used $20 Harbor Freight air hose reel for this project, the total cost less than $60 and works well.
Adapters: https://www.amazon.com/dp/B08L3CCJ69?...
Air hose reel: https://www.harborfreight.com/100-ft-...
The hose I had for a long time it's a 100ft PVC which you can find just about anywhere.