Beneficial bacteria enhances the strength of the plant. Up to 4 months of nutrients gives the plant the best possible start. Water retaining crystals ensure that your compost does not dry out and bioadditives stimulate accelerated plant growth. Simply pop a biscuit into the compost or in the border soil and plant as normal. When watered, your 'biscuit' will swell up to 5 times its original size, latching deep into the roots, creating the complex biology that your tomatoes need to flourish. Use nature to your advantage and feed your tomato plants today with this rootgrow starter kit.