UPGRADED! Clear Self Watering Pot (3-inch) (Set of 10)Now comes with wicking ropes and upgraded inner clear pots! Our clear self watering pots are made for observing root growth on new repots. Once they settle in, we recommend switching over to our colored matching 3 in outer pots to avoid algae infestation through the clear surface. Although little bit of algae is harmless, a heavy buildup can clog up airflow to the root system which can cause decline in plant health and root rot. Each set comes with: 3