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Seasol Potting Mix Booster

Seasol Potting Mix Booster brings potting mix (new and existing) to life with the addition of beneficial soil microbes.


  • Helps restore, revitalise and extend the life of existing potting mix.
  • Helps to maintain and extend the life of new potting mix.
  • Adds beneficial microbes to the potting mix to assist the plant’s root system and promote strong, healthy growth.
  • Boosted with seaweed for overall plant health and to stimulate root development.
  • Creates a healthy living potting mix to improve aeration and moisture retention.
  • Boosts the immune system of plants, which helps to fight against pests and diseases.
  • Treats up to 200 litres of potting mix.

Typical Analysis:

W/V: Nitrogen (N) 4.0%. Phosphorus (P) 1.4%. Potassium (K) 1.1%

Product Video


  • Seasol Potting Mix Booster Product 500 gram container

Seasol Potting Mix Booster is an effective and efficient source of nutrients and probiotics for roots which can reinforce the potting mix structure and healthy plant growth. Boosted with seaweed for overall plant health and to stimulate root development. It contains an ideal balance of nutrients and energy for beneficial soil microbes which can enhance the plant’s natural defence mechanism.

Seasol Potting Mix Booster provides a better environment for beneficial soil microbes in the protective coat, allowing them to multiply and gain strength using mineral nutrients as a source. It also assists the retention of important nutrients in potting mix, which can help to prevent pests and disease.

How to use it

Mix Seasol Potting Mix Booster into the potting mix and water in thoroughly after application.

Do not apply to close too the main trunk or stem. Due to the microbes, do not apply any herbicides 8 days prior to or 8 days after the application of this product.

Generally, Seasol Potting Mix Booster can be reapplied to potting mix every 3 to 4 months or as needed.


We recommend the storage of opened and unused fertilisers for a maximum of 12 months in a moisture-free environment. Please keep the lid closed after use.

Pot Diameter Potting Mix - Litres Amount of Seasol Potting Mix Booster
15cm 3 Litres 1 tsp
20cm 5 Litres 3 tsp
25cm 8 Litres 4 tsp
30cm 15 Litres 8 tsp
40cm 30 Litres 15 tsp

Where to buy Seasol Potting Mix Booster

Not to be taken. This product is a blend of naturally occurring ingredients and may have dust at times due to handling beyond the manufacturer’s control. It is recommended to wear a mask and gloves during application. Wash hands after use. This product is safe to use on all edible plants. Wash all edible plants before eating.

Please click here to download the Safety Data Sheet

Pleases click here to download the Seasol Potting Mix Booster Product Analysis