Fine Volcanic Tuff – 15 L

Fine volcanic tuff for growing mixes, combining graded small granules with fine powder. Supplied in a clear 15 L bag so you can choose the amount needed for your planting mix.

Product specifications

• Pack volume: 15 L.
• Particle size: 1–5 mm, with powder and finer particles also present.
• Texture: irregular, graded granules with a fine fraction.
• Color: grayish brown.
• Packaging: clear bag.

Use

Use as a mineral component in soil and growing-media mixes. The proportion to add depends on the plant, the other mix ingredients and the watering method. If you are unsure which mix is suitable for your plants, consult a Hedera agricultural engineer before use.

Frequently asked questions

Does it contain powder?
Yes. This is a fine product containing powder and fine particles alongside 1–5 mm granules.

Does the bag contain 15 kg?
No. The bag holds 15 L, which is a measure of volume, not weight.

Is this the same as coarse tuff stone?
No. This fine tuff contains small granules and powder and has a different texture from coarse tuff stone.