Potassium Polyacrylate

Buy Potassium Polyacrylate at Alquera. Potassium polyacrylate also known as potassium acrylate, solid rain, hydrogel, is a Super absorbent Polymer (SAP) and water retentive polymer that when incorporated into the soil or substrate, absorbs and retains water and nutrients in large quantities. Potassium polyacrylate has the property of easily releasing absorbed water and nutrients, allowing them to be available to plants according to their absorption-release cycles. You can buy potassium polyacrylate in different formats ranging from 200 grams to 20Kg.

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Potassium Polyacrylate

Buy Potassium Polyacrylate, hydrogel. The hydrogel is applied for water and nutrient retention in soils, improving water management and plant growth, acting as a water reservoir and releasing it according to the plants' needs.

Reduces watering frequency by up to 50% reduces the need for fertilisers. Environmentally safe and biodegradable.

After 50 wet-dry cycles the absorption capacity of this water retainer is superior to the 80%.

Technical Information

CAS-No.: 25608-12-2

Download datasheet and MSDS in the documentation section.


Fine grain: Dry size between 0.8 and 1.2mm.
Medium grain: Dry size between 1.2 and 1.8mm. Hydrated they have an irregular size in crystals of 10-20mm.

You can select either a dry grain size of 0.8-1.2mm or 1.2-2mm. The technical characteristics of both are the same, the smaller grain size is intended for smaller plants or seedlings.


In this video you can see the water retention capacity of Alquera hydrogel.

Product Ref. Document
Potassium Polyacrylate ALQ0009 Material Safety Data Sheet MSDS:    EN    EN   DE   FR   IT
You can also see the Material Safety Data Sheets (MSDS) of all products in this section: MSDS
Weight 1 kg
Dimensions 0,3 cm
Select Format
Grain size

1 review for Poliacrilato de Potasio

  1. Nadina -

    Very happy with the result. I went on holiday (in winter) for a month, the plants were perfect. We put two teaspoons per litre and a half. We let it act for an hour and put it on all the plants. When we came back they were intact.
    You save time and water because you don't have to water as often!

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