Fi-Clor Ultra Concentrated Algicide 1 litre

Highly concentrated to prolong contact with affected areas. Dual action algicide and clarifier. Compatible with all sanitisers and filters.

£19.99 inc VAT

In stock

Product reference: 1164 Category:


Fi-Clor Ultra Concentrated Algicide 1 litreNow HTH Brand
New super concentrated formulation, replaces the existing 1 litre version of the Ultra Concentrated Alaecide,
HTH Ultra Kleral 1 Litre Extra Strong Algicide Copper Based – Quick Overview
Highly concentrated to prolong contact with affected areas. Dual action algicide and clarifier. Compatible with all sanitisers and filters.
Instructions:Calculate the volume of water in your pool if in doubt refer to the Fi-Clor Swimming Pool Handbook in our downloads section.
In hard water areas, increase the initial dosage by 50%.
In the event of large numbers of bathers, high temperatures or heavy rain, increase the dosage.
Pools that have been emptied:Clean the pool surfaces thoroughly.
Using a clean, uncontaminated bucket, make up a solution using 1 part Ultra Concentrated Algicide to 10 parts water.
Thoroughly wash skimmers, bottom drains, outlets and liner or tile joints. Leave for about an hour before filling the pool.
Treating water that has turned green:For maximum performance, adjust the pH to approx 7.2.
Shock dose the pool with Fi-Clor Superfast Shock at the rate of 1.1kg per 11,000 gallons (50m3) (accuracy of dosing is not important).
Broadcast the product evenly over a wide area in the deepest part of the pool and keep the circulation running.
Allow time for the shock to disperse, then add Ultra Concentrated Algicide either via the skimmer, or directly into the pool at a rate of 650ml per 11,000 gallons (50m3) Ensure there is no other product in the skimmer nor any bathers in the pool.
Leave the product to act for 1-2 hours then brush off any algae that may be clinging to pool surfaces and agitate any areas where concentrations of product may still exist.
Run the filter for 24 hours then backwash to remove dead algae from the top of the filter media.

Warranty & Returns

This product is fully CE approved, but as a chemical based product returns are restricted, and the means of return have to be approved by us, prior to the item being returned due to the nature of these goods.

Should you require any further information, please email where we will respond to your request quickly.

Stock & Delivery

This product is in stock at our warehouse and is ready for Express or Economy Delivery Service.

Delivery – Mainland UK
Orders placed before 2pm Monday to Friday we aim to dispatch on the same day, after 2pm will be the following working day. This does not include Bank Holidays, which are classed as non-working days. Should you require a Saturday delivery or have any other delivery enquiries, please email who will respond to your request quickly.

Try to include your mobile phone number in the checkout area so that our delivery drivers can contact you should they need any further assistance or clarification in delivering your order.

Please ensure you leave detailed information if your delivery address is hard to find or a new housing development. If you know there is a possibility of missing the delivery, you can at the checkout stage leave instructions for the delivery driver to leave without signature and place your goods with a neighbour or in a discreet place out of sight for your later retrieval.

Please note some areas including Scotland(post codes AB, FK, IV, KW, PA, PH, HS, KA, ZE, TR, DD,PH, PA, KY, AB, DD, KW, IV, HS), Isle of Wight, Isle of Man, will need extra carriage. We no longer ship to Jersey, Guernsey or Northern Ireland.


If you are unable to thoroughly check your delivery upon receipt, sign for it as UNCHECKED. If the package is damaged in any way, no matter how small, please sign for it as DAMAGED. We CANNOT CLAIM from our carriers for any damaged items that have not been signed for as UNCHECKED or DAMAGED.

If you sign for a delivery as OK, which you later find to be damaged, our carriers WILL NOT accept liability and you may be charged for the damaged items, in this case a delivery charge for replacement items WILL be made.