Coir Mulch Blocks (4.5kg). Will expand from 50 to 60 litres.
Coir Mulch Blocks are a concentrated block of Premium Grade Coir mulch that will, when wet, expand from 50 to 60 litres of coir mulch or decorative dressing for large pots and containers.
It has many benefits including a high water holding capacity, acts as a snail barrier and most importantly keeps the soil moist in hot weather and keeps the temperature higher during the colder months.
Coir Mulch Blocks also keep their colour for years making it the ideal decorative mulch.
Size Guide:
Fine 3-7mm.
Medium 7-12mm.
Coarse 12-18mm.
How to use different grades of coir chips:
Coir chips are small chunks of coconut husk, widely used in horticulture and hydroponics due to their excellent aeration, water retention, and durability. The different grades—fine, medium, and coarse—serve various purposes based on their particle size.
1. Fine Coir Chips (3-7mm)
Uses:
- Best for seed starting and young plant propagation, as they provide excellent moisture retention.
- Used in potting mixes to improve aeration while retaining water.
- Suitable for small plants, orchids, and anthuriums that require a finer growing medium.
- Commonly blended with coco peat to improve drainage while maintaining moisture levels.
- Helps with soil conditioning in agriculture to enhance water retention and aeration.
2. Medium Coir Chips (7-12mm)
Uses:
- Ideal for orchids, bromeliads, and other epiphytic plants needing moderate aeration and drainage.
- Used in hydroponics and soilless growing systems for medium-sized plants.
- Mixed with coco peat or perlite to create balanced growing media.
- Common in mulch applications for moisture retention and weed suppression.
3. Coarse Coir Chips (12-18mm)
Uses:
- Perfect for large orchids (like Cymbidiums) and other plants requiring maximum drainage.
- Used in hydroponic systems where high aeration and root oxygenation are needed.
- Acts as a soil conditioner in landscaping and garden beds to prevent compaction.
- Effective as a mulching material to retain moisture while allowing airflow.
- Applied in biofilters and erosion control due to its structural durability and slow decomposition.
Frequently Asked Questions:
Q. Are these coir mulch blocks suitable for vegetable gardens?
A. Yes, after the calling the supplier I was told they are fine for vegetable gardens.
A. Is this mulch pest-free?
Q. This mulch is heat-treated so we suspect it is pest free, but are not certain.
Q. Interested in purchasing product these mulch blocks to be used as a bedding for my reptile enclosures for my snakes and lizards. I was just wondering if this product is 100% coconut bark ONLY with no added fertilizers or chemicals?
A. I got the following reply from our supplier "Yes, definitely no added chemicals or fertilisers. However, all coir will naturally contain some sodium chloride and I would suggest flushing if this could be an issue"