Professional products Repotting substrates Unipot 7-20
Professional high blonde peat substrate, 7–20 mm, for winter repotting in 12–14 cm pots.
Unipot 7-20 is the Arber substrate for medium-to-short cycle plants: a balance of Baltic blonde peat (7–20 mm) and brown peat (0–20 mm) for consistent drainage and adequate aeration at winter temperatures.
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Features
Unipot 7-20 is developed for winter repotting, when low temperatures slow evaporation and increase the risk of waterlogging. The medium structure of the Baltic blonde peat (7–20 mm) and brown peat (0–20 mm) blend ensures consistent drainage even with less frequent irrigation cycles, while maintaining adequate aeration at the root zone.
The dominant share of blonde peat 7–20 mm keeps a more open structure than mixed-granulometry repotting substrates. This reduces the risk of root asphyxia, which is common in winter crops grown on permanently wet substrates. The PG Mix starter fertiliser supports the re-establishment phase. The wetting agent helps with the first rehydration of the seedling roots after repotting.
Unipot 7-20 is suitable for winter repotting of medium-to-short cycle plants in small-to-medium pots. Selected peat from the Baltic countries: consistently from the same fields, season after season, to ensure batch-to-batch quality.
Technical specifications
| Structure | Medium |
|---|---|
| Granulometry | from 0-20 to 7-20 mm |
| pH | 5–6 |
| EC | 0.8–1.5 mS/cm |
| Dry bulk density | 190–200 g/L |
| Recommended pot | Ø 12-14 cm |
Why choose it
- Medium structure: effective drainage even with infrequent irrigation and low temperatures that reduce evaporation.
- Blonde peat 7–20 mm: controlled granulometry for medium-to-short cycles.
- Designed for winter months: the physical profile maintains adequate aeration even with reduced irrigation cycles.
- pH 5–6 and EC 0.8–1.5 mS/cm: nutritional boost ready from the moment of winter repotting.
- Integrated base fertilisation: plants are operational from winter transplanting.
Composition
- blonde peat 7–20 mm
- brown peat 0–20 mm
- wood fiber
Illustrative proportions of structural components.
Additional components
- wetting agent
Fertilisation
Base fertilisation
Available pack sizes
| Format | Units / pallet |
|---|---|
 70 L | 42 |
 250 L | 18 |
 Big Bale | 1 |
Substrates for potted plant growers
View all Arber substrates for this crop type, with selection criteria and technical comparison.
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