Jolly Gel Pool Flocculent - Private Pools


  • Colour: Translucent blue
  • Hardness: Jelly like substance
  • Size 1: 5cm x 5cm x 25mm
  • Size 2: Commercial Brickette for pools up to 454m³ - 100,000 gal

Jolly Gel Pool Flocculent - Private Pools


Jolly Gel swimming pool flocculent was originally manufactured in the early 1990s for use with Zeoclere high grade filter media. This was developed because the standard flocculents being marketed can interfere with the ion exchange capability of Zeoclere’s high ammonia collection capability.

It was also found that because of Zeoclere’s natural structure, the collection of fines (dust) when using Jolly Gel pool flocculent was far quicker and more efficient than standard flocculents. It was later reported by pool engineers that when used in conjunction with silica sand or glass media, Jolly Gel noticeably reduced maintenance time when compared with all other flocculents.

Two sizes of Jolly Gel are available - JG4 for private pools and JGC (Senior) for commercial pools.

To use, place one cube in the pump strainer basket (not in the skimmer). The cube will slowly dissolve as water passes over it on its journey to the filter. The Jolly Gel places a porous, clear glutinous membrane screen over the filter media, and penetrates the bed to an average depth of some 15cm (6”). The glutinous structure will remove even the finest particles of dust along with algae spores.

During backwashing the filter, as the bed lifts, the Jolly Gel formulation washes the collected debris and spores to waste.

Note: Jolly Gel has not been formulated to work with cartridge filters and DE.



Why not have personalised Jolly Gel cartons?

Would you like to have your company’s branding (own label) on the gel cube cartons?  You can have Jolly Gel own-brand and let this 'silent salesman' promote your company. Contact for further information.

If you are a wholesaler, distributor, pool water treatment company or a retail chain, you can get your company name into the hands of the pool owner. There are two branding options:

  1. Own Label: packaging is designed specifically for your company, where you chose the product name and creative design. Either you can provide the finished artwork or MSI can do this for you at a cost for this service.

  2. Standard Jolly Gel packaging featuring your company name on the end of the packet (as shown in the illustration below).
Jolly Gel Flocculent - Domestic Pools

Own Label

Step 1 – Design Template 
Download the design template (Acrobat PDF) - click here

Step 2 – Title
Decide on a brand name you wish to promote, including your contact details and website address.

Step 3 – Design
You can handle the packaging design yourself or we can do this for you at an additional cost. 

If you are producing your own package design, please send your draft design to MSI to review prior to creating finished artwork.  When the final artwork is ready, provide the Pantone reference or CMYK colours for production.

Should you not have a design department, our designers will be happy to create your artwork for you after discussion. You will be quoted and invoiced for this service. The average one-off cost for own label design is £200 / Euro 250 / US $300.  Some sample ideas for design will be sent to you to review and approve.

Step 4 – Artwork Approval
We will send you a proof of the finished design for approval before we print and manufacture your cartons.

Step 5 – Order Volume
The cost will depend on the volume you require - minimum order is 3,200 cartons x 25 retail packs. Pallet size: 1150mm x 1150mm x 1420mm. Weight +/- 980kg.

Step 6 – Timing
From the time the finished artwork is agreed it will take 14 days to print your cartons and a further 18-22 days to despatch.

Step 7 – Payment
50% of the quoted cost with order and 50% prior to despatch.

Step 8 – Customer Base

We will only action orders that are received from companies that are direct suppliers to the water or swimming pool industry.

Step 9 – Delivery
Shipment by sea freight - delivery between 21-30 days.
Air freight – average delivery 7 days.

Why not have a card supplied in each carton promoting other products or service you offer?  This is a proven way to increase your sales. Each carton then has its own unpaid  silent salesman! Contact us for more information.


  • Up to 12,500 gallons
    Retail Box of 4 cubes – 12cm x 6 x 6
    Transport carton of 25 retail boxes
    30cm x 30cm x 13cm
  • Weight: 7.8kg


  • Because of the product’s unique formulation, minuscule particles of dust can be removed from the pool water.
  • Continues to work for up to 3 weeks
  • Removes algae spores
  • Reduces chlorine consumption
  • Prepares water to camera ready standards
  • Creates no clouding or residual dust
  • Places a clear membrane screen across the media to a depth of some 15cm (6”)
  • Encapsulates the fine particles and holds them to the bed by means of a mild, glutinous formulation that is flushed away during backwash cycle
  • New quick dissolve cubes
  • Transport - non hazard


When using Jolly Gel for the first time, it is important that the operator observes the pressure reading within the first six hours, or dependent on the filter cycle. The reason is that the product has a far faster collection capability than all known flocculants, so the operator may be unaware that the pressure in the filter could build unnoticed. Once the water has been tidied by Jolly Gel, normal maintenance can be resumed.



Our new White Euro Jolly Gel Carton holds 25 retail packs and each retail pack contains 4 cubes.  The carton is very strong and features a tick box for easy country identification.  For English speaking territories, we include a gift “Jolly Clever” pin badge in this retail pack.

 Jolly Gel is has attained REACH Status which certifies that all ingredients in Jolly Gel have been registered according to the requirements of Regulation(EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), and its amendments.

Jolly Gel Flocculent - Domestic Pools


Mineral Supplies International Ltd
Horsted Keynes
RH17 7AR
United Kingdom
Tel: +44 (0)1825 790524
Fax: +44 (0)1825 790908


All transactions, unless otherwise agreed, will be (£) Sterling


To discuss setting up a Business Account, call +44 (0)1825 790524 or email

Should you not have an account, we accept payment via the following methods:

  • Bank Transfer (BACS) - BACS details are shown on the invoice
  • Cleared cheques
  • Irrevocable Letter of Credit (ILOC) to be confirmed in London

Please note that credit cards are not accepted.


Order Enquiry

Order Spare Parts

Call our spares hotline on +44(0)1825 790524

Complete parts list for the Cruiser C600 & Puronizer.


Jolly Gel

“This is the first time I have used Jolly Gel in my pool. Within a few hours, the water was crystal clear.  If it was not for the jets making ripples in the pool, you would think there was no water in it! The clearest and cleanest our pool has ever been.  I have no hesitation in recommending Jolly Gel.”
Richard Allan