The Swell Aquatic Fertiliser Balls are full of natural nutrients that plant life can thrive on, and adding them to your soil ensure it is rich in minerals and can support strong plant growth. They provide food straight to the roots of your plants.
These come in a handy 10pk, and should be inserted into the soil, with 1 covering around 20cm2 area. They can used throughout a planted area, or as targeted nutrition for specific plants as needed. They can be replaced as needed, but around every 6 - 8 weeks is normal.