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SeedCracker SeedBooster®
9,95 €
incl. VAT
In stock
SeedCracker SeedBooster® – give old and hard seeds a second chance
Not every cannabis seed germinates straight away. Older, hard or long-stored seeds in particular often fail because of a seed coat that has become too firm – even under optimal conditions. This is exactly where the SeedCracker comes in: as a small screw-type nutcracker, it opens the hard coat in a controlled way so that water can get back in and germination can get going in the first place. The perfect addition to your SeedBooster® germination tray.
What happens when seeds age?
A seed isn’t a dead grain but a dormant plant with a limited reserve. As it ages, it’s mainly the seed coat that changes: it dries out, becomes harder and therefore increasingly impermeable to water. But it’s precisely this water that triggers germination – if it can no longer get in, the seed simply “stalls”.
At the same time, the energy reserves inside slowly diminish, and the substances that set germination in motion work more sluggishly. In practice this means: older seeds germinate more slowly, more unevenly or not at all – often not because the embryo is dead, but because it can no longer break through the hard coat on its own.
What is the SeedCracker?
The SeedCracker is a small plastic screw-type nutcracker for cracking open hard cannabis seeds in a controlled way. The seed is placed in the small recess, then you slowly turn the screw down until you hear a soft crack. By gently opening the seed coat, water can get back in more easily – a crucial step to make germination possible at all with problematic seeds.
When does the SeedCracker make sense?
- For old or long-stored seeds
- For seeds with a very hard coat
- When seeds don’t germinate on their own in the SeedBooster® germination tray
- As a last chance before a seed is given up on
Important usage note
We recommend soaking the seeds before cracking. The softened coat gives way under the screw pressure in a controlled, gentle manner instead of splintering uncontrollably – this protects the delicate embryo inside.
Recommendation: Soak the seed for several hours beforehand – for example in water or directly in the SeedBooster® germination tray – and only then crack it open carefully.
How to proceed
- Soak: Let the seed swell for several hours until the coat softens.
- Crack: Place the soaked seed into the SeedCracker’s recess and slowly turn the screw down until you hear a soft crack.
- Plant & moisten: Place the cracked seed into the growing medium and moisten it lightly.
Benefits at a glance
- More germination chances: Increases the germination probability of problematic seeds.
- Controlled cracking: The screw opens the coat in a measured, even way.
- Gentle with the right preparation: Soft application on properly soaked seeds.
- Ideal addition: Pairs perfectly with the SeedBooster® germination tray.
- Saves valuable seed stock: Saves time, nerves and rare genetics.
Cleverly combined
The SeedCracker is aimed at experienced users who want to get more out of their seed stock. Combined with the SeedBooster® germination tray, you can often coax astonishing results even out of difficult seeds.
Scope of delivery
- 1× SeedCracker
Product specifications
- Manufacturer: SeedBooster®
- Type: Screw-type germination aid for cracking open hard seeds
- Material: Plastic
- Use: On soaked seeds
- Compatible with: SeedBooster® Germination Tray Set
Note: The SeedCracker is an aid for germination preparation. Germination cannot be guaranteed, but the chances of success can be significantly improved – especially with old or problematic seeds.
Function: controlled cracking of hard seeds via screw | soak before cracking | ideal addition to the SeedBooster® germination tray
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- Seed shipping: 3-4 days domestic



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