QUIKGRO Rapid Rize Block 4×4 Inch – Fast-Expanding Coco Substrate
QUIKGRO RapidRIZE blocks are the world’s fastest expanding coco coir substrates—engineered for speed, cleanliness, and high-yield performance. Each block is buffered with Cal/Mag, tested for heavy metals, and processed for ultra-low EC levels. Ideal for online orders and rapid setup, the 4×4 block expands in under 30 seconds and includes a grow bag for convenience.
Key Benefits
- Ultra-fast expansion: 0.8L in just 27 seconds
- Low EC and ppm from ultra-clean processing
- Buffered with Cal/Mag for consistent crop performance
- Tested for heavy metals – safe for all grow environments
- Includes grow bag – ready to use straight from the pack
- Perfect for hydroponics, soil, and coco-based systems
Expansion Specs
| Size | Water Required | Expansion Time | Expanded Volume |
|---|---|---|---|
| 4×4×3 in | 1L | 27 sec | 0.8L |
| Metric | Value |
|---|---|
| SKU | SG-S1422 |
| Brand | QUIKGRO |
| Product Name | Rapid Rize Block – 4×4 Inch |
| Material | Buffered coco coir |
| EC Level | Low |
| pH Range | Approx. 5.7–6.5 |
| Use Case | Seedling, vegetative, flowering |
