At a glance
- System
- STP · 33.5 × 51.5 cm
- Contents
- 1 watertight plastic support tray; cell tray and capillary mat not included
Assembly and use
The reusable STP support tray catches water beneath a matching cell tray or suitable pots with drainage holes. Its smooth plastic surface is easy to clean.
- Check the format
Choose an STP cell tray or suitable pots with drainage holes.
- Position the tray
Check for damage and place on a level, water-resistant surface.
- Prepare watering
Use as a catch tray or add a matching capillary mat, sold separately.
- Add containers
Position the cell tray or pots securely; for capillary watering, check contact between container bases and mat.
- Monitor moisture
After watering, check the water level and growing-medium moisture. Avoid keeping the crop excessively wet.
- Clean after use
After growing, remove plant and growing-medium residues, clean the tray and allow it to dry.
Contents and product details
- Item code
- STP-Untersetzer
- Contents
- 1 watertight plastic support tray; cell tray and capillary mat not included
- Outer dimensions (L × W × H)
- 33.5 × 51.5 × 2/3 cm
During propagation
Match light, temperature, sowing depth and moisture to the species. Choose cell size according to root development and the planned growing period.
Handling guidance
- Use on a level, stable surface and check for damage.
- Place water-bearing components on water-resistant surfaces and keep away from electrical equipment.
- Check water level and growing-medium moisture; do not assume a fixed unattended watering period.
Cleaning and storage
Remove plant and growing-medium residues, clean gently with water and allow to dry before longer storage.
Before reuse, check for cracks, dirt and a suitable fit.
Manufacturer and product information
Manufacturer
Frequently asked questions
What is supplied?
1 watertight plastic support tray; cell tray and capillary mat not included.
How long does the water supply last?
This depends on the plants, temperature and actual demand. Check water level and growing-medium moisture regularly.

Propagation in the STP system
The reusable STP support tray catches water beneath a matching cell tray or suitable pots with drainage holes. Its smooth plastic surface is easy to clean.

Choose the components you need
1 watertight plastic support tray; cell tray and capillary mat not included.

Support each growing stage
Match light, moisture and the transplanting stage to the species.
Pairs well with
Selected additions for your plant care.
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STP QP 24R Propagation Tray – 24 Cells
€7,95 View productSTP QP 24R Propagation Tray – 24 Cells – compatible with the STP system. Check the contents supplied with each item.
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STP QP 35R Propagation Tray – 35 Cells
€7,95 View productSTP QP 35R Propagation Tray – 35 Cells – compatible with the STP system. Check the contents supplied with each item.
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STP QP 54R Propagation Tray – 54 Cells
€7,95 View productSTP QP 54R Propagation Tray – 54 Cells – compatible with the STP system. Check the contents supplied with each item.
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STP QP 77 Propagation Tray – 77 Cells
€7,95 View productSTP QP 77 Propagation Tray – 77 Cells – compatible with the STP system. Check the contents supplied with each item.
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STP QP 150R Propagation Tray – 150 Cells
€7,95 View productSTP QP 150R Propagation Tray – 150 Cells – compatible with the STP system. Check the contents supplied with each item.
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QP 273-2 Propagation Tray – 273 Cells
€7,95 View productQP 273-2 Propagation Tray – 273 Cells – compatible STP version. See the product page for included components.
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QP 273-2 Propagation Set with Capillary Mat
€14,95 View productQP 273-2 Propagation Set with Capillary Mat – compatible STP version. See the product page for included components.
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QP 273-2 with Support Tray – No Mat
€12,95 View productQP 273-2 with Support Tray – No Mat – compatible STP version. See the product page for included components.