Specialist Plant care professionals usually will need far more than just water for his or her plants. Often they mix in special plant nutrients in with the water. The vented lid allows for the inflow of air when water is remaining pumped out, blocking vacuum development and possible damage. This https://saleaza.com.au/products/40l-portable-wheel-water-tanks-tank?_pos=1&_sid=2196f264f&_ss=r&variant=43852809732355