
Riococo PCM Closed Top Coco Grow Bags, 6 x 6
Riococo PCM bags put a measured block of coir inside its own wrapper, ready to hydrate and plant. Each closed top bag arrives flat and compressed at about 15 by 15 by 5 centimeters. Once water goes in, the block swells to 15 by 15 by 15 centimeters. That is a 6 inch cube holding about 1 gallon. Riococo blends coir chips with natural coir fiber, a mix that leaves both large air spaces and fine water-holding particles. The raw material is washed five times and blended without fine dust. That washing brings electrical conductivity below 1.0 mS/cm, so the media starts clean. The pH sits between 5.5 and 6.5, a range that suits most nutrient programs. Riococo lists water holding capacity at 4.5 to 5.5 liters per kilogram. Air-filled porosity runs 28 to 30% by volume, which keeps roots supplied with oxygen between irrigations. Organic matter makes up 95 to 98% of the weight. Each bag weighs about 0.8 kilograms dry, so a full case is easy to move and store. The wrapper keeps the media contained on a bench and holds moisture in around the root zone. A case of 44 bags fills a run of benches or several trays of transplants at once.
Hydrating and Planting a Closed Top Coir Bag
Lay the bags flat on the bench or in the tray where they will be used. Cut planting holes or a small X in the top film where each plant will go. Add water slowly through the openings and let the block absorb it before adding more. Within a few minutes the coir expands to fill the bag to its full height. Once fully expanded, flush the block with clean water or a mild nutrient solution. Cut drainage slits low on the sides or bottom so excess water can escape. Check the runoff EC and pH, and adjust the feed program before planting. Set seedlings or rooted cuttings into the holes and firm the coir around them. The 1 gallon volume fits early growth, rooted clones or compact crops on a run-to-waste system. Drip emitters can be placed straight through the top film into the media. Because the top stays covered, surface algae and evaporation stay low through the cycle. At the end of the crop, the coir can be composted or reused as a soil amendment.
Key Features
- 1 Gallon Block: Expands to 6 x 6 x 6 in from a compact dry brick.
- Closed Top Bag: Film wrapper limits evaporation and surface algae.
- Five Times Washed: Coir blended without fine dust, EC below 1.0 mS/cm.
- pH 5.5 to 6.5: Ready for most hydroponic nutrient programs.
- Balanced Air and Water: WHC 4.5 to 5.5 L/kg and 28 to 30% air-filled porosity.
- Chips and Fiber: Coir chip and natural fiber mix for root structure.
- Case of 44: Bulk quantity for benches and trays.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Riococo |
| Product | PCM Closed Top Bag (CTB) |
| SKU | RP30110 |
| Volume | 1 gallon |
| Dry Size | 15 x 15 x 5 cm |
| Expanded Size | 15 x 15 x 15 cm (6 x 6 x 6 in) |
| Weight per Bag | 0.8 kg (1.76 lb) |
| Composition | Coir chips and coir natural mix |
| EC | Below 1.0 mS/cm |
| pH | 5.5 to 6.5 |
| Water Holding Capacity | 4.5 to 5.5 L/kg |
| Air-Filled Porosity | 28 to 30% (v/v) |
| Organic Matter | 95 to 98% by weight |
| Pack Quantity | 44 bags per case |