Flower Water Automatic

I have a flower who want many water every day (Zyperngras) and I have build this water automatic where I can take a little tube from a barrel to it. You must take a little rubber on the top of the waterstop plug to close the waterinlet. I have brushed the waterstopplug with resin to make it waterresistant to make it swim on the waterlevel and close the vent. Better to make the vent with ABS. I have made it first with PLA and it's broke. I have made then with PLA and paused the printer at height