Calcined Diatomaceous Earth Mini Pebbles - 2kg

Name: Calcined Diatomaceous Earth Mini Pebbles - 2kg
Brand: Gardening Naturally
SKU: gptfk5mare
Availability: InStock

Made from fossilised diatoms and heat treated for strength, these 2-10mm mini pebbles are a versat...

Best current price£18.99from Gardening Naturally UK

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Product Information

Full details

Calcined Diatomaceous Earth Mini Pebbles are ideal for indoor gardeners, bonsai enthusiasts, and hydroponic growers looking to optimize root health through superior moisture control and aeration. These 2-10mm heat-treated pebbles act as a high-performance soil amendment that balances water retention with drainage to prevent root rot and soil compaction. While these pebbles provide an excellent environment for plant growth, they are best used as part of a soil mix or specific drainage layer rather than as a complete standalone replacement for traditional potting media for all plant types.

All features

Model Part Number	DEP2
Brand	Gardening Naturally

Extended Product Information

FAQs

Can I use these pebbles for all types of plants?

Yes, they are pH-neutral and inert, making them safe for almost any plant, including sensitive orchids and succulents.

Do these pebbles provide nutrients to my plants?

No, they are a structural growing medium and do not contain fertilizers or organic nutrients.

Are these pebbles reusable?

Yes, their heat-treated structure is extremely durable and can be washed and reused for many years.

Will these change the pH of my soil?

No, the material is pH-neutral and will not affect the acidity or alkalinity of your potting mix.

Can they be used in outdoor vegetable gardens?

Absolutely, they are excellent for improving soil structure and preventing compaction in garden beds or raised containers.

Troubleshooting

Water draining too quickly

Mix the pebbles with a higher ratio of fine-grain potting compost to increase water retention capacity.

Visible dust on the surface of plants

Rinse the pebbles thoroughly with a sieve or colander before applying them as a top dressing.

Pros and Cons

Pros

Significantly improves soil aeration and drainage
Highly durable and reusable for long-term use
pH-neutral won't interfere with nutrient absorption
Prevents soil compaction in container plants
Excellent for both soil-based and hydroponic setups

Cons

Not intended to be a nutrient-rich organic fertilizer
May require rinsing before use to remove dust
Limited weight compared to heavier decorative stones

Setup, Compatibility & Care

To prepare the pebbles, it is recommended to rinse them briefly under water to remove any fine dust generated during shipping. When mixing into soil, ensure even distribution to maintain structural consistency throughout the pot. For hydroponics, ensure the pebbles are thoroughly cleaned and stabilized in your reservoir. Because they are heat-treated and inorganic, they will not break down in the soil over time. To reuse, simply remove the pebbles from used soil, rinse off organic debris, and dry them before incorporating into a new potting mix.