HortGrow Bulk Compressed Coco — 5kg (11lb) — Expands to 90L

90 Liters of Coco Coir From One Compact 5kg Block

HortGrow Bulk Compressed Coco is a compressed coco coir block built for commercial growers, large indoor facilities, and home growers who want the value and flexibility of bulk coco coir in a compact, easy-to-handle format. Each 5kg (11lb) compressed block expands to roughly 90 liters of loose, ready-to-use coco growing media once hydrated -- enough for direct use, custom growing media blends, or a base for coco-perlite mixes.

Like HortGrow's other coco products, the Bulk Compressed Coco is processed through a multi-stage washing step and buffering treatment to help reduce excess sodium and potassium, delivering a cleaner starting point than raw, unprocessed coco fiber. As with any coco medium, flushing with nutrient solution and checking the runoff EC before planting is still recommended.

Key Features & Benefits

• High-Compression Bulk Format: The 5kg compressed block reduces the shipping volume and storage footprint of roughly 90 liters of coco coir, making it more cost-effective to transport and store than pre-expanded coco bags of equal volume.
• Approximately 90L Expansion Volume: Each block expands to enough loose coco media to fill multiple large containers or a batch of smaller growing vessels, suiting operations that prepare media in bulk.
• Washed & Buffered Processing: HortGrow's washing and buffering steps help reduce excess sodium, potassium, and soluble salts from the raw coco fiber, cutting down on pre-use preparation before starting your nutrient program.
• Custom Blending Flexibility: Bulk loose coco is a practical base medium for custom blends -- mix with perlite, vermiculite, or coco chips to build a growing media profile suited to your crop and system.
• Consistent Fiber Quality: HortGrow's processing aims for consistent particle size and moisture content across every block, supporting predictable results for operations that depend on media consistency.

Who Should Use This

Commercial indoor cultivation facilities that mix their own growing media, large-scale growers who use significant coco volume each cycle, and home growers who want the cost efficiency and storage compactness of a bulk compressed block.

Compatibility

Compatible with all hydroponic nutrient programs and growing system types. Expand fully with clean water before use and allow excess water to drain. Can be used alone or blended with perlite, coco chips, or vermiculite. Washing and buffering reduce but do not eliminate the need to flush and check EC before planting.

Frequently Asked Questions

How do I expand the compressed coco block?

Place the block in a large container or on a tarp and add clean, pH-adjusted water gradually. The block absorbs water and begins expanding within minutes -- keep adding water and mixing by hand until it reaches its full volume, then let excess water drain before use.

How much water does it take to fully expand the block?

Roughly 15-20 liters of water is typically enough to expand a 5kg block to its full volume, though the exact amount varies with the block's starting moisture. Add water gradually rather than all at once.

Does bulk coco coir need additional buffering before use?

HortGrow's coco is washed and buffered during production to help reduce sodium and potassium. It is still good practice to flush the expanded coco with nutrient solution and check the runoff EC before planting to confirm it is ready.

When should I mix this with perlite instead of using it alone?

Blend in perlite when your irrigation program runs frequently or your crop needs extra root-zone oxygen -- a common starting ratio is about 70% coco to 30% perlite by volume. Adjust from there based on how your media drains between waterings.