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BLUE DIAMOND 10% Toilet Chemical (4 Litre)

Discount Card Price£7.00

Retail Price £16.00 Was £7.20Save 56%

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Product code: 15893614 / 062855

Blue Diamond 4 litre 10% Toilet Chemical:

Blue Diamond's standard strength (10% w.w.formaldehyde) value 4 Litre bottle.

Produced and proven for over 21 years in the UK.

This fluid breaks down toilet waste, and creates a pleasant smell in the toilet compartment of caravans, motorhomes, portable toilets and boats.




This product qualifies for the following delivery methods

Standard Delivery (3-5 Days) (£3.95)

FREE on orders over £70.00


Once despatched you will receive updates from the courier.

Express 2 Day Delivery (£5.95)


Express delivery takes 2 days when order is placed before 1pm Monday-Friday. Once despatched you will receive updates from the courier.

Reserve and Collect (within an hour) (FREE)


We will notify you when your order is ready to collect.

Click and Collect (3-5 Days) (FREE)


You will be notified when your order is ready to collect.

Next Day Delivery (order by 6pm Mon - Fri) (£5.95)


Delivered by UK Mail. Remote areas may take longer, please click here for more info.

AM Delivery (£7.95)


Order by 8pm and get your item delivered to you by 12pm the next working day (Not available for NI, Channel Islands or Highlands)

Standard Large Delivery (3-5 Days) (FREE)


Standard Large Delivery (3-5 Days) (£200.00)


Bike Delivery (£4.95)


Bike delivery is £4.95. This applies to all bikes, and these orders are upgraded to a DHL courier service.

British Forces Post Office (BFPO) (FREE)


Delivery before 10:30am (£8.95)


Saturday Delivery (order by 6pm Friday) (£5.95)


Click and Collect Next Day (order by 6pm Mon - Fri) (£5.95)


Order online and have your items delivered to a store, ready to collect the next day (excluding weekends)


Returning orders to us is easy. Whatever your reason, we offer a refund or exchange within 28 days of delivery or collection.

Ratings & Reviews

Overall Rating

4.00 out of 5
14 reviews
Write a review
4.00 out of 5

Have sent this back...

Have sent this back and requested a refund in store and still not received it...and no communication. Very poor service.

4.00 out of 5

never recieved them apparently...

never recieved them apparently got damaged in transit

4.00 out of 5

Brilliant Stuff

Had to use portable loos during work on the house. Diluted it 1:5 as instructed and it has a smell that kills all foul odours. This large bottle lasted over a week.

4.00 out of 5

Toilet Blue

This item is worth the money.It covers all smells and cleans well.Its the best we have used and we have tried them all.We go to Spain for 5mths and 3 containers will last easy.

4.00 out of 5

in the blue

top value for money, has lasted me all season in my caravan as l use it every weekend.

4.00 out of 5

blue Diamond Fluid

We have used this for many years, we don't use any thing else, for quality and cost you won't find any thing better well pleased with it and great stores that sell it. Nice one GOD

4.00 out of 5

No flies on this product

Been using for over three years now in the motorhome in all temperatures It does exactly what it is supposed to do and at two for £12 is excellent value Smaller Campingaz versions are €21 each "sur le continent"

4.00 out of 5

does the job

Have bought this product twice now. Very good value and works a treat , i would certainly recommend it.

4.00 out of 5

Bule Diamond

I have used this product for many years and have yet to find one better.

4.00 out of 5

Chemical toilet cleaner

Used this last year in our caravan cassette toilet.very good value for money. Just bought more for the start of this seasons caravanning.

4.00 out of 5

blue diamond toilet fluid

A very good value for money product,especialy when offers on,I use on my boat and feel it does the job properly. Lasts a while but at the price you can afford to be generous with it!

4.00 out of 5

Blue Diamond toilet fluid

We used it for four months in our motorhome last year and it was excellent. it did what it said on the tin! that's why we came back and bought more for next year

4.00 out of 5

blue diamond 4ltr

came back to colchester for a family gathering , while in town replenished with more blue diamond . It has seen us good for more than a year and a half of travelling so far and will do for much longer

4.00 out of 5


This may be cheap but not as good as the more expensive brands. I won't be buying this again.

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