2. More bubbles = more flow; less bubbles= less flow, setting up 2~5 seconds with one bubble is the min. flow
3. Using pressure to control watering. As pressure get balance, it will stop watering temporary.
4. One flowerport could use more than spikes to keep long time watering.
4. Invention Patented
5. You could also find our video for "water spike" on youtube.
