Many potting mixes look rich, but are actually missing key micronutrients and sulfur. Over time, this leads to tired soil, weak roots and pale, slow-growing plants.
TerraSoil BioBoost Soil Enhancer is a natural mineral and carbon blend that feeds your soil and supports strong, steady plant growth. With granite, basalt, bentonite, gypsum, dolomite, biochar and leonardite, it:
- Adds essential micronutrients, calcium and magnesium
- Improves soil structure and water-holding capacity
- Keeps phosphorus low to support beneficial mycorrhizal fungi
BioBoost works alongside your existing feeding schedule without interference. You don’t need to change your fertiliser – BioBoost simply fills in the missing pieces and helps your plants make better use of what’s already there.
Perfect for:
- Gardeners using bagged potting soil or reused soil
- Vegetables, herbs, flowers and shrubs in the vegetative stage
- Anyone wanting healthier roots and more resilient plants
TerraSoil - BioBoost Soil Enhancer - 500g
For pots & containers
- Mix 1 small handful (about 30–40 g) of BioBoost into 10 L of potting soil before planting.
- For established plants, sprinkle 1 small handful around the base of each plant, lightly work into the top of the soil and water well.
For garden beds
- Spread 1–2 handfuls per square metre over the soil surface.
- Lightly rake into the top few centimetres of soil and water thoroughly.
For larger plants (top dressing)
- Up to 200 g per plant for big shrubs or trees, spread evenly around the drip line and watered in.
Tip: Always water after applying BioBoost so the minerals can move into the root zone.
