Free Delivery on orders £65+ | 01284 810 887 Free Delivery on all orders over £65 + vat - Most despatched same day! *T and C's apply 01284 810 887
Cleaning, Hygiene &
Maintenance Chemicals


Purisaf Water Purification Tablets – 6 Tub Special Offer

Water Purification Tablets. 6 Tub Special Offer Price.

£36.99 ex. Vat | £36.99 inc. Vat.



Purisaf 1000 Tablets Make Water Safer to Drink FAST

Each Purisaf 1000 tablet gives 1000 ppm available Chlorine in 1 Litre of Water.
One tablet will disinfect 200 Litres of water at 5 mg/L (5 ppm/L) Chlorine or 250 Litres of water at 4 mg/L (4 ppm/L) Chlorine.

Accurate and Easy Dosing, Versatile and Fast Acting for use in:

Water Towers and Wells

Camping, Caravaning & Boating

Disaster Relief

Spring Water and Storage Bowsers

Spring Boxes or Silt Traps

TOP TIP:   Warm Water speeds up tablet dissolution time.  Pre-dissolve in a little warm water then pour into the usable water for the solution.

Purisaf 1000 Water Purification Tablets are equivalent to more expensive brands such as Oasis 1000.  Often, the brands disguise the product by using terminology that seems confusing – here is our guide to help:

Technical:  Contains Sodium dichloroisocyanurate (sometimes referred to as Troclosene sodium,  Abbrev- NaDCC).

Formula:  3Cl2N3O3Na

Synonyms:  Sodium Dichloro -1,3,5 – Triazinetrione Anhydrous.  Sodium Dichloro – S – Triazine -2,4,6  1H,3H,5H)-Trione. Troclosene Sodium.

CAS: 2893-78-9

EC/EINECS No.:     220-767-7

Chemical Name:    1,3,5 – Triazine -2,4,6 (1H,3H,5H) Trione 1,3, – Dichloro, Sodium Salt

Chemical Family:  Chlorinated S Triazine Trione

Export Tariff:          3808 9420

Please click on link below to download Safety Data sheet.

DS001 PN501 Chlorine Tablets REV 12

Well Water – new or contaminated

Make up 25 tablets in 25 Litre solution

Pour half into the well, operate pump until Chlorine is detected.

Stop pumping and add remainder of solution to well.

Leave for minimum of one hour.

Pump again, ensuring all domestic taps are open.

Check for Chlorine smell at each tap, then turn off.

Wait 12 hours before checking for a minimum of 2mg/litre (2ppm chlorine/Litre)

Refill the system with potable water.

Spring Boxes or Silt Traps

Make up 25 tablets in 25 Litre solution.

Using half the solution thoroughly scrub inside walls with the Chlorine solution paying particular attention to the highest and lowest water line levels.

P:our remaining half of the solution into the Box/Trap.

If there is a pump, repeat steps 4 to 8 (see Well Water Instruction above.

Chlorine odour can linger and this may take a few days to disappear.

Important Note: 

Always test for residual Chlorine smell or Chlorine reading before drinking.  If no residual Chlorine smell, retreat.  Ground water ill invariably be cleaner than surface water.

Water Source Conditions to be aware of:

Faecal contamination is VERY DANGEROUS – avoid if suspected.

Industrial pollution – avoid if suspected.

Foul smelling water – possible algae contamination.  Filter if possible

Turbidty – if Turbidity measures NTU 5 or above then water must be filtered.


There are no reviews yet.

Be the first to review “Purisaf Water Purification Tablets – 6 Tub Special Offer”

Your email address will not be published. Required fields are marked *


This business expansion has been supported by New Anglia Local Enterprise Partnership, through the Business Resilience and Recovery Grant Scheme.


Reg. in England No. 04994444
VAT No. GB 811 8376 32
Dunn & Bradstreet 73-736-5309
EORI GB 811 8376 32000
NI: XI811837632000


Quality Assurance

Maclin Sourcing Solutions Ltd (trading as Maclin Group & Hygienen4less) are a BS EN ISO 9001:2015 accredited company and audited by one of the world's leading Inspection, Verification, Testing and Certification companies, SGS. Certificate number GB2004521. Maclin Group also operate Good Manufacturing Practise (GMP), specifically in the production of Chlorine Release Tablets.