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The Science of Spray & Forget

Spray & Forget is a type of Salt

How Does it Kill Moss Mould and Lichen?

We have tested many different chemicals and combinations over the past 10 years to refine Spik and Span’s Spray and Forget product.

We have literally sprayed 1000,s of litres over 1000s of square metres. Our formula has been used in the commercial market and now available direct to the consumer. Get serious about moss mould and lichen get spray and forget.

Benzalkonium chloride, also known as BZK, BKC, BAC, alkyldimethylbenzylammonium chloride and ADBAC, is a type of cationic surfactant. It is an organic salt classified as a quaternary ammonium compound. It has three main categories of use: as a biocide, a cationic surfactant, and as a phase transfer agent. ADBACs are a mixture of alkylbenzyldimethylammonium chlorides, in which the alkyl group has various even-numbered alkyl chain lengths.

Bioactive Agents

Especially for their antimicrobial activity, benzalkonium chloride is an active ingredient in many consumer products:

  • Pharmaceutical products such as eye, ear and nasal drops or sprays, as a preservative
  • Personal care products such as hand sanitizers, wet wipes, shampoos, deodorants and cosmetics
  • Skin antiseptics, such as Bactine and Dettol
  • Some disinfectant solutions, such as post-piercing ear disinfectants.
  • Throat lozenges and mouthwashes, as a biocide
  • Spermicidal creams
  • Over-the-counter single-application treatments for herpes, cold-sores, and fever blisters, such as RELEEV and Viroxyn
  • Burn and ulcer treatment
  • Spray disinfectants for hard surface sanitization
  • Cleaners for floor and hard surfaces as a disinfectant, such as Lysol
  • Laundry detergents and treatments
  • Softeners for textiles
  • Wet and Forget, Spray and Forget, for clearing of algae, moss, lichens from paths, roof tiles, swimming pools, masonry, etc.

Benzalkonium chloride is also used in many non-consumer processes and products, including as an active ingredient in surgical disinfection. A comprehensive list of uses includes industrial applications. An advantage of benzalkonium chloride, not shared by ethanol-based antiseptics or hydrogen peroxide antiseptic, is that it does not cause a burning sensation when applied to broken skin

Medicine

Benzalkonium chloride is a frequently used preservative in eye drops; typical concentrations range from 0.004% to 0.01%. Stronger concentrations can be caustic and cause irreversible damage to the corneal endothelium.

Avoiding the use of benzalkonium chloride solutions while contact lenses are in place is discussed in the literature.

Adverse effects

Although historically benzalkonium chloride has been ubiquitous as a preservative in ophthalmic preparations, its ocular toxicity and irritant properties, in conjunction with consumer demand, have led pharmaceutical companies to increase production of preservative-free preparations, or to replace benzalkonium chloride with preservatives which are more natural.

Benzalkonium chloride has been in common use as a pharmaceutical preservative and antimicrobial since the 1940s. While early studies confirmed the corrosive and irritant properties of excessive amounts of benzalkonium chloride.

Roof Treatment

"Hi Henry, Your product has quite frankly outdone anything I have previously used. Your email has prompted me to have another closer look on my roof just now and since I last applied the Moss and Lichen Slayer late May last year I can’t find any noticeable patches. That's the first time I have achieved that result in that time period. I still have another container to get through but it’s probably not enough to finish the roof again though. I should look at grabbing some more really. Regards"

Keith Forlong

Home Maintenance Company

"Just a quick note to let you know I am really pleased with your moss and mould slayer product. I have used for over 6 years and I think its the best product on the market. I dont want to have to go back to an unhappy client so I will stick with what I know gets results !! Thanks"

Pete
Pegasus Home Maintenance

Saved us time and money

"We are owners of a motel complex and we have used various products over the past 15 years. We discovered Spik and Span Moss and Mould killer about 5 years ago and we would not change to anything else.We got faster kill rates and slower regrowth.

It costs us nearly half what were paying on other brands."

Rex
Taupo, NZ

Nothing has been far more superior than Spik and Span Moss Kill

"I have used Spik and Span Moss Kill on my south side of my house as it is so damp and the moisture is just creating a moss like substance. I don't know much about it really. I used a 5 Litre pack and it cleaned it up within a week. I have used other well advertised products and nothing has been far more superior than Spik Moss Kill. I would certainly recommend it to anyone. Cheers Spik and Span NZ"

Bryan Nigel
Upper Hutt, NZ

Spik and Span is a beauty

"Spik and Span orange cleaner is a beauty. It cleans so well and a good test recently was the stinky tilt a hood filter that was full of oil and grease. Using Spik and Span at 10-1 with water, allowing it soak in and then hosing it off afterwards the oil and grease broke down easily and left the filter looking like brand new. It also left a fresh orange smell in the filter that has lasted for days now."

Kim
Auckland, NZ

Moss & Mould Killer on my Pavers

"I used Spik and Span Moss and Mould Killer on my pavers. I am most impressed. 1 week after spraying it is already showing distinct signs of working. I have also sprayed moss in my lawn. Moss has gone a yellow colour and lawn is still green. Good bye to moss and mould forever. So pleased to have found this product."

Pam
Timaru, NZ

Fantastic Result

"Just ordering some more Moss and lichen removal product and wished to tell how pleased I am with your product. I have tried nearly everything under the sun to get rid of the lichen on my driveway. We got rid of it within 4 months.We are now going to spray our roof and hope to get a similar result. Fingers crossed."

Fraser
Rotorua, NZ

I used Spik and Spans Moss and Mould Killer last week

"I used Spik and Spans Moss and Mould Killer last week and sprayed it on everything from my paths to the deck and everything else in reach. Apart from the bits I missed the green gunk has gone, no rain either till tonight , just heavy frosts! I was told it may take a couple of weeks but it has gone in a few days. I am delighted to say the least and have ordered more! I also have used Spik and Span household concentrate cleaner. It cleaned everything it touched!! From the bathroom , to bench tops , my stainless jug, and rubbish bin etc. I am really impressed with Spik and Span's service that I received and would certainly recommend these products to everyone. Cheers Spik and Span."

Heather
Dunedin, NZ

Awesome for all areas

"I use Spik and Span for everything around the house. We use it on our drive and paving areas as well as around the pool area which can get slippery. We spray once a year every year and always look forward to the results. Great price and great product guys. Happy for you to use my reference."

Maria
Auckland, NZ

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