At a glance
- System format
- STP · 33.5 × 51.5 cm
- Cells
- 150
- Contents
- 1 QP 150R tray with 150 integrated cells and 1 base tray
Assembly and use
This STP set combines 150 growing spaces with a matching base tray. Fill the cells directly with suitable growing medium; no separate pots are needed.
- Prepare
Inspect the base and cell tray for damage. Choose a level, water-resistant surface.
- Fit the cell tray
Position the cell tray securely on the base tray. No capillary mat is included.
- Fill the cells
Fill the integrated cells directly with suitable propagation growing medium and moisten gently.
- Sow or insert cuttings
Add seeds or cuttings according to species requirements, including sowing depth, light and temperature.
- Check moisture
Water gently from above or provide water in the base tray where suitable for the crop. Monitor water level and growing-medium moisture and avoid prolonged flooding.
- Transplant and clean
Carefully release rooted young plants through the bottom openings. Then clean both parts and allow them to dry before storage.
Contents and product details
- Item code
- QP150R+QPUntersetzer
- Contents
- 1 QP 150R tray with 150 integrated cells and 1 base tray
- Not included
- Growing medium, seeds and plants are not included. A capillary mat and cover are not included in this set.
- Model
- QP 150R
- Cell count and arrangement
- 150 (10 × 15)
- Cell shape
- round
- Cell width / height
- 30 / 43 mm
- Bottom opening
- 19 mm
- Volume per cell
- 20 ml
- Side rim
- 20 mm
- Material
- Polystyrene; reusable
- Tray footprint
- 335 × 515 mm
During propagation
Matching individual components and accessories: STP QP 150R Propagation Tray – 150 Cells · Tall STP Propagation Cover – 12 cm Usable Height.
Match light, temperature and sowing depth to the species. Cell size and root development determine the appropriate transplanting stage.
Handling guidance
- Keep water-bearing parts away from electrical and electronic equipment; escaping water can cause electric shock or damage.
- Always carry filled cell trays with their base tray underneath to prevent bending or breakage.
- Monitor water level and growing-medium moisture. Excessive water levels can cause waterlogging and root damage.
Cleaning and storage
Remove plant and growing-medium residues. Clean and dry before longer storage; check for damage and clear bottom openings before reuse.
Manufacturer and product information
Manufacturer
Original documents for the supplied version. Check the specific STP format when choosing accessories.
Frequently asked questions
What is included in the set?
1 QP 150R tray with 150 integrated cells and 1 base tray. Growing medium, seeds and plants are not included. A capillary mat and cover are not included in this set.
Are additional pots needed?
No. The cells are integrated into the tray and are filled directly with growing medium.
How long does the water last?
This depends on species, temperature, plant count and actual water demand. Check water level and growing-medium moisture regularly; do not assume a fixed unattended watering period.
Can I add a cover?
Yes, a compatible tall STP cover is offered separately. Do not choose a G24 or MP cover solely because its dimensions appear similar.

A set for your next growing project
This STP set combines 150 growing spaces with a matching base tray. Fill the cells directly with suitable growing medium; no separate pots are needed.

Know what is included
1 QP 150R tray with 150 integrated cells and 1 base tray. Growing medium, seeds and plants are not included. A capillary mat and cover are not included in this set.

From sowing to transplanting
Fill the cells directly, match moisture to the species and gently release rooted young plants through the bottom openings.
Pairs well with
Selected additions for your plant care.
-
STP QP 150R Propagation Tray – 150 Cells
€7,95 View productSeparately offered QP 150R tray in the matching STP format. This model is also included in the set; no extra tray is needed for assembly.
-
Tall STP Propagation Cover – 12 cm Usable Height
€10,95 View productCompatible tall STP cover as an optional addition. Not included in this set.