Premium 600g Organic Coco Coir Brick – Soil Conditioner & Growing Medium

What is the Premium 600g Organic Coco Coir Brick and how much does it expand?

It's a compressed block of natural coconut husk fibre that expands to around 8–9L of fluffy, moisture-retaining coir when hydrated. Use warm water and break it apart as it softens to speed things up—hydration usually takes 10–30 minutes.

Is the coir pH balanced and low in salts?

Yes—it’s pH-balanced and low EC (electrical conductivity), meaning low salt content. This makes it gentle for seedlings, cuttings, and sensitive plants right out of the bag, with no chemical additives.

What is the Premium Coco Coir Brick best used for?

It’s great for seed starting, cuttings, indoor pots, raised beds, microgreens, or mixing into soils. It helps hold water while improving airflow and root development. It’s not ideal as mulch or a standalone for succulents or orchids without modification.

Can I mix coco coir into garden soil or use it in potting blends?

Absolutely—coir improves aeration, water retention, and root zone structure in both sandy and clay-heavy soils. For potting mixes, a simple base is coco coir + compost + aeration (like perlite or pumice).

Does the brick contain nutrients, or do I need to fertilise?

Coco coir contains minimal nutrients, so you’ll need to feed plants after the first stages of growth. Coco-specific nutrients (with added calcium and magnesium) work best, especially if coir is your main medium.

Do I need to buffer or rinse the coir before use?

If you're using it for hydroponics or high-value crops, buffering with a Cal-Mag solution helps prevent nutrient lockout. For general garden use or soil mixing, it's fine to use as-is after hydration.

Will coco coir compact or become hydrophobic over time?

It resists compaction better than peat, but may still settle a little. If it dries out completely, rehydrate slowly to avoid dry patches. Mixing with aeration materials helps maintain structure.

Can coco coir attract gnats or develop mould?

Not directly—but overly wet conditions can invite fungus gnats or surface mould. Let the top layer dry between waterings and ensure good airflow. Store unused hydrated coir lightly moist with airflow, not sealed wet.

Can I reuse the coir after growing?

Yes—remove old roots, flush to remove salt buildup, and recharge with nutrients or compost. Sterilise only if there were pest or disease issues. Coir also composts well as organic matter.

What’s a beginner-friendly way to use this coir brick?

Hydrate it, fluff it, mix with 30–50% aeration (like perlite), and pair with a coco-friendly fertiliser. Don’t overwater, and make sure your pots have drainage. It’s also microbe-friendly if you're adding beneficials.