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SYBASoil: Premium Soil Mixes
Soil Mixes That Truly Understand Your Plants Not all soil mixes are...
Soil Mixes That Truly Understand Your Plants Not all soil mixes are...
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Pumice is a naturally occurring porous stone formed from volcanic activity, and it’s one of the most effective and sustainable ways to improve soil aeration, drainage, and moisture balance. Whether you’re working with succulents, cacti, or large root systems, this lightweight soil amendment boosts structure and airflow in a way that organic matter alone cannot.
At Sybotanica, we source high-quality, coarse pumice that adds both form and function to your soil. Its long-lasting structure won’t compact or break down over time, making it the ideal choice for plants that require dry spells between watering. You can use it as a potting mix additive, a decorative top layer, or even as a clean terrarium element.
Pumice is a volcanic rock that’s light enough to float on water and porous enough to absorb and redistribute moisture slowly. It contains countless tiny cavities that store water and air, creating the perfect conditions for root oxygenation and moisture control. Its gritty texture also helps break up dense soils, making it invaluable for indoor plants prone to root rot or compacted substrates.
Whether you’re working with epiphytes in a bark-heavy mix or crafting the perfect blend for a monstera, pumice adds breathable body to the substrate without interfering with nutrient availability.
Some plants grow aggressively below the soil line, developing thick, vigorous roots that need room to expand and breathe. Pumice offers the texture and structure these roots crave—especially in older plants or species like snake plants, ZZ plants, and bird of paradise.
If you’ve dealt with compacted mixes, poor drainage, or stagnant pockets of moisture that lead to rot, you’ll find pumice to be an immediate and lasting solution. It allows water to move through the mix while also absorbing enough to create stable hydration—key for balanced moisture regulation.
While both pumice and perlite are used to boost drainage, pumice is heavier, longer-lasting, and more mineral-rich. It stays in place during watering, won’t float to the top of pots, and won’t degrade with time. Its gritty, non-compacting nature means your indoor gardening substrate stays fluffy and well-drained with less frequent repotting.
Perlite is excellent for seedlings or propagation, but for mature plants with established root systems, pumice provides unmatched stability and aeration.
Besides its functional role in soil, pumice also works beautifully as a natural mineral top dressing. Spread it across the surface of your pots for a clean, modern look that also helps regulate evaporation and reduce fungus gnats. In terrariums, it blends well with bark, moss, and charcoal to create a gritty, breathable environment that won’t mold or collapse over time.
Because it’s a sustainable substrate with neutral pH and no chemical residue, pumice supports cleaner, healthier plant care practices from the ground up.
Because pumice is completely inert and mineral-based, it won’t interfere with your plant’s nutrient uptake or pH balance, making it an ideal root health booster for long-term use.
For us at Sybotanica, pumice is more than a soil additive—it’s one of the unsung heroes of healthy indoor growing. We love how it elevates soil mixes, especially for established plants that need support beneath the surface. We package our pumice in clean, resealable bags so it’s ready to use and easy to store between repottings.
Our soil philosophy is simple: make it breathable, natural, and built to last. That’s why pumice has a permanent place in our mix library—and why we recommend it to anyone looking to level up their soil game.
| Value's (EN) | Pumice |
|---|---|
| Country of Origin | Germany |
| Suitable for organic farming | In application |
| structural stability | Years, as this does not break down |
| EC | 0,11 mS/cm |
| pH | 7,3 |
| Safe for pets? | can be harmful if ingested |
| Water retention capacity % | 25-35% |
Premium SYBASoil | 4-8mm & 8-16mm
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Pumice is a naturally occurring porous stone formed from volcanic activity, and it’s one of the most effective and sustainable ways to improve soil aeration, drainage, and moisture balance. Whether you’re working with succulents, cacti, or large root systems, this lightweight soil amendment boosts structure and airflow in a way that organic matter alone cannot.
At Sybotanica, we source high-quality, coarse pumice that adds both form and function to your soil. Its long-lasting structure won’t compact or break down over time, making it the ideal choice for plants that require dry spells between watering. You can use it as a potting mix additive, a decorative top layer, or even as a clean terrarium element.
Pumice is a volcanic rock that’s light enough to float on water and porous enough to absorb and redistribute moisture slowly. It contains countless tiny cavities that store water and air, creating the perfect conditions for root oxygenation and moisture control. Its gritty texture also helps break up dense soils, making it invaluable for indoor plants prone to root rot or compacted substrates.
Whether you’re working with epiphytes in a bark-heavy mix or crafting the perfect blend for a monstera, pumice adds breathable body to the substrate without interfering with nutrient availability.
Some plants grow aggressively below the soil line, developing thick, vigorous roots that need room to expand and breathe. Pumice offers the texture and structure these roots crave—especially in older plants or species like snake plants, ZZ plants, and bird of paradise.
If you’ve dealt with compacted mixes, poor drainage, or stagnant pockets of moisture that lead to rot, you’ll find pumice to be an immediate and lasting solution. It allows water to move through the mix while also absorbing enough to create stable hydration—key for balanced moisture regulation.
While both pumice and perlite are used to boost drainage, pumice is heavier, longer-lasting, and more mineral-rich. It stays in place during watering, won’t float to the top of pots, and won’t degrade with time. Its gritty, non-compacting nature means your indoor gardening substrate stays fluffy and well-drained with less frequent repotting.
Perlite is excellent for seedlings or propagation, but for mature plants with established root systems, pumice provides unmatched stability and aeration.
Besides its functional role in soil, pumice also works beautifully as a natural mineral top dressing. Spread it across the surface of your pots for a clean, modern look that also helps regulate evaporation and reduce fungus gnats. In terrariums, it blends well with bark, moss, and charcoal to create a gritty, breathable environment that won’t mold or collapse over time.
Because it’s a sustainable substrate with neutral pH and no chemical residue, pumice supports cleaner, healthier plant care practices from the ground up.
Because pumice is completely inert and mineral-based, it won’t interfere with your plant’s nutrient uptake or pH balance, making it an ideal root health booster for long-term use.
For us at Sybotanica, pumice is more than a soil additive—it’s one of the unsung heroes of healthy indoor growing. We love how it elevates soil mixes, especially for established plants that need support beneath the surface. We package our pumice in clean, resealable bags so it’s ready to use and easy to store between repottings.
Our soil philosophy is simple: make it breathable, natural, and built to last. That’s why pumice has a permanent place in our mix library—and why we recommend it to anyone looking to level up their soil game.
| Value's (EN) | Pumice |
|---|---|
| Country of Origin | Germany |
| Suitable for organic farming | In application |
| structural stability | Years, as this does not break down |
| EC | 0,11 mS/cm |
| pH | 7,3 |
| Safe for pets? | can be harmful if ingested |
| Water retention capacity % | 25-35% |
Overall rating: 4.8 / 5 from 46 reviews.
Ottimo inerte 👍🏼 mi sono trovata bene!
Jättenöjd. Kommer alltid beställa i fortsättningen från Sybotanica. Har allt jag behöver för växter och bra kvalitet
Jättenöjd. Kommer alltid beställa i fortsättningen från Sybotanica. Har allt jag behöver för växter och bra kvalitet
Vraiment top
Hurtig levering, godt produkt
Calibre bien plus gros que ce qui est dit... On est plus sur de la moyenne que de la fine
Store owner replied: Bonjour Betty, Merci pour ton avis. Notre pierre ponce fine est composée de grains dont la taille varie entre 4 mm et 8 mm. Si tu as d'autres questions à ce sujet, n'hésite pas à nous envoyer un e-mail. Femke de Sybotanica
Livraison tres longue...
Very high-quality product.
Perfekt
Bel prodotto,mixato con gli altri per rendere perfetto il substrato delle mie piante
Ik maak mijn eigen potgrondmixen voor mijn planten en elke dag leren we van elkaar; ik leer hun behoeften kennen en zij reageren op mijn verzorging. We proberen in volledige symbiose te leven, al bevind ik me nog steeds in de fase van de "overbezorgde ouder". Ik loop constant om ze heen en maak me bij elke ongunstige verandering meteen zorgen. Het is een boeiend proces van zorg en voortdurende ontdekking.
On my way to rewaken my since many many years sleeping interest for house plants, especially aroid plants . Taking it slowly to establish ways to be prepared to be able to keep them thriving in my apartment, not the easiest task in mid Sweden with low humidity winter and early spring times.
Great size and quality
Amazing products im very curious how well my plants will do :D
Using this as top layer for my house plants. Very neat and tidy!
Planten groeien gelijk Kool, fantastisch goede grond
Rien a redire. Excellent produit également comme le reste. Merci.
Top et très propre.
prachtig product
Goeie grond. Ben echt tevreden en mijn planten ook
As described
Grote fan van Sybotanica 💚
Qualité 😊 Vraiment de très bonnes qualités Merci beaucoup
Price is really nice I like the possibility to order a good amount of this, since it's one of my favorite ingredients for my substrate. Next time I'll order the smaller size as well.
Prima om cactusgrond mee te maken Mooi formaat en zeer geschikt voor een cactusmengsel. In tegenstelling tot perliet komt het na het watergeven niet bovendrijven. Bovendien stuift het niet tijdens het mengen met zand en grond. Topproduct!
Prima om cactusgrond mee te maken Mooi formaat en zeer geschikt voor een cactusmengsel. In tegenstelling tot perliet komt het na het watergeven niet bovendrijven. Bovendien stuift het niet tijdens het mengen met zand en grond. Topproduct!
Damp Bought 9mm pumice which arrived promptly. All bags had condensation inside showing substrate was damp so needed opening and drying.
Store owner replied: Hi Clive, So this is actually done on purpose. We would love to ship it dry as it saves on shipping cost but slightly moist pumice is so that when it's used in soil, the first time you put it in it might actually draw water out of the roots, especially if you don't water for the first time. This can damage the roots. That's why it's slightly damp, so it cost us more work to do it this way but we feel it's better for the plants! Sybren
Damp Bought 9mm pumice which arrived promptly. All bags had condensation inside showing substrate was damp so needed opening and drying.
Store owner replied: Hi Clive, So this is actually done on purpose. We would love to ship it dry as it saves on shipping cost but slightly moist pumice is so that when it's used in soil, the first time you put it in it might actually draw water out of the roots, especially if you don't water for the first time. This can damage the roots. That's why it's slightly damp, so it cost us more work to do it this way but we feel it's better for the plants! Sybren
Super Qualität / Top Quality Great quality!
Super Qualität / Top Quality Great quality!
Hoge kwaliteit, goede prijs! Allereerst over de zakken waarin de substraten toekomen, deze zijn van duurzaam plastiek en kan je zelfs hergebruiken doormiddel van de ziplock afsluiting. Ik heb puimsteen en tuinzand besteld, beiden van hoge kwaliteit zonder vertroebelingen. Mijn cactussen zien er super gezond uit! Levering snel en stipt!
Hoge kwaliteit, goede prijs! Allereerst over de zakken waarin de substraten toekomen, deze zijn van duurzaam plastiek en kan je zelfs hergebruiken doormiddel van de ziplock afsluiting. Ik heb puimsteen en tuinzand besteld, beiden van hoge kwaliteit zonder vertroebelingen. Mijn cactussen zien er super gezond uit! Levering snel en stipt!
Au top
Au top
Parfait Je l'ai utilisé comme substrat de drainage et, en plus d'être efficace, il est du plus bel effet.
Parfait Je l'ai utilisé comme substrat de drainage et, en plus d'être efficace, il est du plus bel effet.
Pumice Bewertung Wirklich toll liebe es und meine Pflanzen auch.
Pumice Bewertung Wirklich toll liebe es und meine Pflanzen auch.
Gek Vraag dat binnen een maand of 4 nog eens
Gek Vraag dat binnen een maand of 4 nog eens