Water-storage soil additive

SwellGel Water Storage Granules Plant Moisture Additive 1kg Pouch

£29.90
Meet SwellGel Water Storage Additive 1kg Pouch — a smart moisture ally for your plants.
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Product typeCompost & Growing Media
BrandAK Kin Garden Supplies
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Product codeSWELLG

Product overview

Meet SwellGel Water Storage Additive 1kg Pouch — a smart moisture ally for your plants. This free-flowing granular material blends effortlessly into potting mixes and containers, delivering slow-release moisture that keeps roots hydrated longer between waterings. Designed for a wide range of setups, SwellGel excels in patios and balconies as well as indoor spaces. Use it with patio tubs, hanging...

Read the full product information

Meet SwellGel Water Storage Additive 1kg Pouch — a smart moisture ally for your plants. This free-flowing granular material blends effortlessly into potting mixes and containers, delivering slow-release moisture that keeps roots hydrated longer between waterings.

Designed for a wide range of setups, SwellGel excels in patios and balconies as well as indoor spaces. Use it with patio tubs, hanging baskets, window boxes, houseplants, vegetables, and grow bags to create a more resilient watering routine. The long-lasting moisture release helps you maintain vibrant growth even during dry spells, reducing the guesswork and effort required to keep plants thriving.

Key advantages

  • Long-duration moisture: extends soil moisture windows so plants experience steadier hydration between waterings.
  • Slow-release action: designed to provide a steady supply of moisture over time, supporting healthy root development.
  • Easy to apply: a free-flowing granular material that mixes smoothly into potting soil or growing media.
  • Versatile for containers: ideal for patio tubs, hanging baskets, window boxes, grow bags, and edible setups like vegetables.
  • Efficient watering: helps optimize irrigation, reducing over- or under-watering in container environments.

With SwellGel, you gain reliable moisture management without sacrificing plant vitality. The 1kg pouch provides a compact, long-lasting solution for multiple containers across your garden or indoor space, making it easier to care for diverse plantings—from ornamental blooms to thriving vegetables.

Product highlights

Why you’ll love it

The key benefits and features that make this product a useful choice.

01

Stores water near roots

02

Helps reduce watering stress

03

Lightweight and easy to mix

04

Practical 1kg pack

Simple guidance

How to use

Follow the available product guidance to get the best result.

1

Step 1

Read the pack and select the correct mixing rate.

2

Step 2

Measure the additive rather than estimating.

3

Step 3

Blend evenly through the growing medium.

4

Step 4

Plant, water and monitor moisture before watering again.

Product information

Frequently asked questions

Helpful answers to common questions about this product.

Can it be used on its own?

It is normally mixed with compost or soil; follow the product instructions.

How much should I add?

Use the rate stated on the packaging for the plant and application.

Is it dusty?

Mineral growing-media additives can create dust; handle gently and avoid inhalation.

How should it be stored?

Keep sealed and dry away from children and pets.

Shop with confidence

Why shop with HHG?

Fast despatch

We aim to despatch in-stock orders within 24 hours.

Easy returns

A straightforward 30-day online returns process.

Secure checkout

Pay safely using your preferred available payment option.

Helpful support

Friendly help from our family-run UK business.