Modiform 1531 PRISTINE Multitray - 51 Cell Professional Propagation Tray, 90cc Cells

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The Modiform 1531 PRISTINE Multitray is a professional 51-cell propagation tray designed for efficient production of plugs and young plants. Each cell provides 90cc of growing volume, giving growers a useful balance between plant density and individual root space for commercial nursery and propagation work.

Measuring 52.5 x 31.5cm with a height of 5.3cm, the 1531 provides 51 individual growing positions within a practical professional tray format. The cells are arranged in alternating rows of eight and nine, allowing efficient use of the available tray area.

The tray is thermoformed from PS and incorporates a 12mm bottom hole in each cell for drainage. It is supplied in Modiform's PRISTINE format, which avoids the addition of colour dye and allows the recycled raw material to determine the finished appearance of the tray.

Why choose the Modiform 1531 Multitray?

  • 51 individual cells - professional format for propagation and young plant production.
  • 90cc cell volume - provides a useful balance between crop density and individual growing-medium volume.
  • 5.3cm tray height - provides greater cell depth than many high-density shallow plug trays.
  • 52.5 x 31.5cm footprint - practical dimensions for professional nursery and propagation areas.
  • 319 cells per m² - enables efficient use of valuable propagation bench space.
  • 12mm bottom holes - provide drainage from the individual growing cells.
  • Alternating 8 and 9 cell rows - efficient 51-cell layout across the tray.
  • Professional nursery format - allows 51 individually separated young plants to be handled as one production unit.
  • Thermoformed PS construction - lightweight format developed for professional propagation.
  • PRISTINE material concept - produced without additional colour dye.

90cc cells for young plant production

Cell count and cell volume are both important when selecting a professional propagation tray. The Modiform 1531 combines 51 growing positions with a 90cc volume per cell, placing it between high-density small-cell plug trays and lower-density trays intended for larger young plants.

The additional growing-medium volume available to each plant can provide useful root space during establishment while still allowing 51 plants to be produced within a relatively compact tray footprint.

This makes the 1531 suitable for compatible crops that require more room than a very small plug but do not yet need an individual pot. Plants can subsequently be transplanted or potted on once they have reached the appropriate stage for the crop.

Efficient 51-cell tray layout

The cells are arranged in alternating rows of 8 and 9 cells. This configuration allows Modiform to accommodate 51 individual growing positions efficiently within the 52.5 x 31.5cm tray.

Modiform specifies a density of approximately 319 cells per square metre for this format. For commercial growers, this provides a useful way to plan propagation capacity and compare the 1531 with alternative cell counts.

Each plant remains within an individual cell, keeping its growing medium and developing root system separated from neighbouring plants while the entire crop can still be moved and managed as a single tray.

12mm bottom holes for drainage

Each cell incorporates a 12mm bottom hole. This provides a route for excess irrigation water to drain from the growing medium when the tray is used with an appropriate nursery watering system.

Correct irrigation remains dependent on the crop, substrate, temperature and growing environment. A professional propagation substrate appropriate to the plant being produced should be used, with watering adjusted throughout the crop cycle as root systems develop.

Modiform PRISTINE material concept

The Modiform 1531 is supplied in the PRISTINE format. Rather than adding colour dye to the recycled plastic purely to produce a consistent cosmetic colour, the raw material itself determines the appearance of the finished tray.

As a result, some variation in colour between PRISTINE production batches is normal. This is characteristic of the material concept and does not affect the tray's intended propagation function.

Professional propagation applications

Young plant production 51 individually separated cells allow batches of young plants to be raised within one professional tray.
Plug propagation 90cc cell volume provides more growing space than very high-density small-cell plug formats.
Seed propagation Suitable for compatible crops raised individually before transplanting or potting on.
Nursery production Useful for professional growers requiring repeatable cell spacing and efficient tray handling.
Greenhouse propagation Professional tray dimensions make efficient use of propagation and nursery bench space.

Modiform 1531 PRISTINE Multitray product details

Manufacturer Modiform
Modiform product code 1531
Product type Multitray / propagation tray
Range PRISTINE
Number of cells 51
Cell arrangement Alternating rows of 8 and 9 cells
Cell volume 90cc
Cells per m² 319
Tray dimensions 52.5 x 31.5 x 5.3cm
Bottom hole 12mm
Material Thermoformed PS (polystyrene)
Push-out plate reference 6239
PRISTINE finish No additional colour dye - recycled raw material determines the finished appearance
Pallet quantity 1,680 trays
Primary applications Propagation, plug production & professional young plant production

Modiform 1531 PRISTINE Multitray FAQs

How many cells does the Modiform 1531 have?

The Modiform 1531 contains 51 individual propagation cells.

What is the volume of each cell?

Each cell provides 90cc of growing volume, giving young plants more individual growing-medium volume than many higher-density plug formats.

What are the dimensions of the Modiform 1531?

The tray measures 52.5cm long x 31.5cm wide x 5.3cm high.

How are the 51 cells arranged?

The cells are arranged in alternating rows of 8 and 9 cells, creating 51 individual growing positions across the tray.

Does the Modiform 1531 have bottom drainage holes?

Yes. Each cell incorporates a 12mm bottom hole to allow excess irrigation water to drain from the growing medium.

How many growing cells does the tray provide per square metre?

Modiform specifies approximately 319 cells per m² for the 1531 format.

What does PRISTINE mean?

PRISTINE is Modiform's material concept in which additional colour dye is not used. The recycled raw material determines the finished appearance of the tray.

Can PRISTINE trays vary in colour?

Yes. Some variation is normal because the recycled raw material determines the finished colour rather than additional dye being used to create a uniform appearance.

What material is the Modiform 1531 made from?

The tray is manufactured from thermoformed PS, or polystyrene.

Is the 1531 suitable for professional nurseries?

Yes. It is designed as a professional propagation Multitray and provides an efficient way to produce and handle batches of 51 individually separated young plants.

What is the push-out plate reference for the Modiform 1531?

Modiform specifies 6239 as the compatible push-out plate reference for this tray.

How many Modiform 1531 trays are supplied per pallet?

The pallet quantity is 1,680 trays.

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£1.35