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Empty JIFFY plastic tray, 33 mm, 84 cells. Designed for propagation phases in indoor cultivation . 52 x 31 cm format with 84 cells of Ø 3.3 cm , facilitating seed germination and rooting of cuttings with order, efficient drainage, and easy handling for starting cultivation without complications.

The Empty JIFFY Plastic Tray 33 mm 84 Cells is a lightweight, malleable black plastic holder designed to accommodate 33 mm Jiffy pellets . The matrix of 84 cavities, each with a diameter of 3.3 cm , evenly distributes space over a 52 x 31 cm body, allowing for the organization of batches by variety and sowing date.
The bottom incorporates drainage perforations that prevent waterlogging and promote root aeration , key during the first days of rooting.
The tray allows for clean cutting to adapt to tables, shelves or propagation domes, without losing stability when moving it loaded.
By properly hydrating the compressed peat pellets, the expanded volume fits perfectly into each cell, achieving intimate contact between the medium and the stem/seed, with straight, white roots ready for transplanting.
A versatile set that performs at its best in domestic and professional cannabis, aromatic and horticultural plant programs, integrating with domes, thermal mats, thermo-hygrometers and carrier trays.
It fits within the range of affordable indoor growing accessories due to its balance of capacity, control, and ease of cleaning. It's available in online grow shops along with replacement parts and propagation supplies. For optimal results, use lukewarm water, ensure regular dome ventilation, and apply soft, propagation-specific lighting, maintaining a moderate temperature and using waterproof labels for tracking growth.
The 84-cell format offers medium-to-high density per tray, ideal for staggered sowing without overcrowding the space. The 52 x 31 cm size fits standard propagation greenhouses, creating a stable microclimate for root development. The drainage holes at the bottom promote air circulation, reducing the risk of fungal growth and rot. Watering is easy with a sprayer or fine-nozzle watering can, and visual monitoring is simple thanks to the well-aligned rows for labeling.
It's used for germinating seeds , rooting cuttings, and raising seedlings to transplant size. The fit between 33 mm Jiffy pellets and 3.3 cm diameter cells creates a stable cradle for rootlets, improving the success rate in indoor cultivation . It's an excellent tool for phenotype selection and maintaining continuous cannabis plant production, with repeatable processes and shorter establishment times before transplanting to coco coir, perlite, Hydroton , or rockwool.
Yields increase when combined with indoor growing accessories : a 52 x 31 cm transparent dome with ventilation, a heating mat with thermostat, a digital thermo-hygrometer, a fine mist sprayer, and a rigid carrier tray for transport. Recommended additions: rooting hormone for cuttings, disinfectant solution for hygiene between cycles, and waterproof labels for traceability. With this set, each batch progresses uniformly toward transplanting, reducing losses.
1) Place 33 mm Jiffy pellets in each cell. 2) Hydrate with lukewarm water until fully expanded; gently drain to remove excess water, preserving porosity. 3) For sowing: open a cavity, insert the seed to the appropriate depth, and close gently. 4) For cuttings: make a slanted cut, apply rooting hormone if desired, and firmly insert; ensure contact between the stem and the peat. 5) Place under a dome, ventilate intermittently, and maintain low-intensity light specifically for propagation. 6) When roots appear around the edge of the pellet, transplant to the chosen container or system, avoiding tearing. This workflow reduces stress, speeds up adaptation, and improves growth uniformity.
The price per cell is attractive considering the control it offers. The reusable material requires cleaning and disinfection between cycles, improving profitability per season compared to other affordable indoor growing accessories . A smart investment for those looking to standardize their propagation process.
Available at Hydroponics Blanes , an online grow shop with discreet shipping throughout Spain. Extensive catalog of propagation materials, pots, domes, and consumables, with technical support from a trusted grow shop for working with cannabis plants in controlled environments.
The JIFFY Empty Plastic Tray 33 mm 84 Alv. provides a balance between capacity, control and ease of use.
Cavities of Ø 3.3 cm , a 52 x 31 cm format and a perforated base make this tray a practical tool for starting cultivation , germinating seeds and cloning with predictability.
A versatile resource within indoor accessories available at Hydroponics Blanes , with discreet shipping and expert support for every stage of your project.
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