avocado auto filler v4.1

this is another version of an avocado pit germinating system. it is auto watering using a small to med size soda type bottle. just place the bottle through the hole in the holder then screw the cap onto the bottle. then fill the bottle with water. then place the holder/bottle onto a glass that is not quite filled with water. the water will stop before the glass overflows.. when the water starts to get used up/evaporate, the water in the bottle will maintain the water level in the glass at the