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Old 12-09-2018, 11:26 PM   #11
///M Sport
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This is the dirt I was trying to shift:

https://www.flickr.com/gp/142053600@N08/1vP010

Would have helped if I took a pic of it after I hand applied the BHAF and rinsed.
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Old 12-09-2018, 11:31 PM   #12
///M Sport
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Originally Posted by mar00 View Post
I used same process including hose pipe and it lifts all the dirt and can see it running off, i do get drying out if the spray is too light though,

I currently have fusso on the car which may make a difference,
The Fusso would help I should think. Iím guessing the auto foam has softened the dirt enough and the layer of fusso underneath the dirt has made if difficult for the dirt to stick. Hence why a hose rinse has washed the dirt away.

My car is due to be ceramic coated soon so I might have similar results then.
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Old 13-09-2018, 10:16 AM   #13
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Getting the right concentration mix is key to getting a good result. The following was posted (canít remember who but thank you!) in one of the guides on here and relates to a PW so maybe not relevant to your set-up, but thought I would share it anyway.

It has made massive difference to my results and is easily the best foam I have used:

1. Fill your snow foam bottle with exactly 1L of water. Measure this as it must be exact.
2. Connect your foam lance up and make sure the foam nozzle is turned to full foam output (Usually all the way to -).
3. Grab a large container, I used my 20L wash bucket and spray the foam lance into the bucket until the 1L bottle is empty. Add a little food dye to the water within the bottle if your struggling to see the water level.
4. Measure the total amount of water contained within the bucket. I done this by scooping the water out in my measuring beakers.
5. Once you have your total volume (mines is 12.76L), simply multiply this figure by 0.04. This tells you how much auto-foam needs to be used to achieve the 4% PIR.
By doing the above calculation I ended up with a figure of 510ml. I need to use 510ml of auto-foam to 490ml water in my 1L snow foam bottle to achieve the 4% PIR. 510ml of auto-foam was added to the foam bottle using my measuring beakers for an exact measurement.
This step must not be skipped. The figure I got will be completely different to what you will get dependant on your set up.


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Old 13-09-2018, 08:04 PM   #14
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I’ve been using BH AF for quite a while now - I use a Mesto foamer and hose pipe attachment to rinse it off (ie not a pressure washer). I always measure it out precisely and generally use warm water as I read that can increase effectiveness. It’s odd because sometimes I use it and it is very noticeable how much dirt it has removed but other times it appears to do very little. On those occasions I reapply. I still think it’s worthwhile and there have been times I’ve used it on a white can and not bothered to wash it as it has left it reasonably clean and I’ve been pressed for time but on other occasions as a prewar it’s as if I hadn’t bothered! I figure it needs to be rinsed with a pressure washer or applied using a foam lance to be truly effective.
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Old 13-09-2018, 10:24 PM   #15
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I have a method and products that work for me. I've taught a couple of people what I do over the last year or so and keep telling them that my kit and technique works for me but may not work for them. Fair enough for trying. If it doesn't work for you then you may need to try something different.
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Old 13-09-2018, 11:13 PM   #16
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After my experience with BHAF, Iím not convinced that snow foam of any sort really provides *that* much benefit over a PW rinse alone.

If the auto foam was that good at breaking dirt down, then a rinse with a water would wash at least some of the dirt away. I guess this is a true test for the cleaning abilities of a foam.

I suspect the pressure from the pressure washer is what is really doing the cleaning.

Thinking about it, when I pressure wash my patio once or twice a year, I do not use any patio cleaner, have done so in the past, but it hasnít provided any better clean than just using the PW alone and thatís on a surface that is much dirtier than a car and gets cleaned much more in frequently. Itís the pressure of the PW thatís doing the work.

Iíll try applying the product via my lance and hose rinse to see if it makes any difference. Would be interesting to see.
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Old 13-09-2018, 11:16 PM   #17
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Quote:
Originally Posted by davidcraggs View Post
Iíve been using BH AF for quite a while now - I use a Mesto foamer and hose pipe attachment to rinse it off (ie not a pressure washer). I always measure it out precisely and generally use warm water as I read that can increase effectiveness. Itís odd because sometimes I use it and it is very noticeable how much dirt it has removed but other times it appears to do very little. On those occasions I reapply. I still think itís worthwhile and there have been times Iíve used it on a white can and not bothered to wash it as it has left it reasonably clean and Iíve been pressed for time but on other occasions as a prewar itís as if I hadnít bothered! I figure it needs to be rinsed with a pressure washer or applied using a foam lance to be truly effective.
Thatís interesting that you got results rinsing with a hose. The only difference being that I applied through a pump sprayer and youíve used a foamer. Itís even more interesting that your results are consistent though.
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Old 13-09-2018, 11:20 PM   #18
///M Sport
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[QUOTE=Stoner;5497516]Getting the right concentration mix is key to getting a good result. The following was posted (canít remember who but thank you!) in one of the guides on here and relates to a PW so maybe not relevant to your set-up, but thought I would share it anyway.

It has made massive difference to my results and is easily the best foam I have used:

1. Fill your snow foam bottle with exactly 1L of water. Measure this as it must be exact.
2. Connect your foam lance up and make sure the foam nozzle is turned to full foam output (Usually all the way to -).
3. Grab a large container, I used my 20L wash bucket and spray the foam lance into the bucket until the 1L bottle is empty. Add a little food dye to the water within the bottle if your struggling to see the water level.
4. Measure the total amount of water contained within the bucket. I done this by scooping the water out in my measuring beakers.
5. Once you have your total volume (mines is 12.76L), simply multiply this figure by 0.04. This tells you how much auto-foam needs to be used to achieve the 4% PIR.
By doing the above calculation I ended up with a figure of 510ml. I need to use 510ml of auto-foam to 490ml water in my 1L snow foam bottle to achieve the 4% PIR. 510ml of auto-foam was added to the foam bottle using my measuring beakers for an exact measurement.
This step must not be skipped. The figure I got will be completely different to what you will get dependant on your set up. QUOTE]

Iím pretty sure Iíve measured it out correctly. 40ml product to 960ml water for a litre. Multiply each by the amount of litres required.

Maybe I left it on the car too long, but Iím pretty sure the car was still wet when I got to rinsing stage.
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Old 14-09-2018, 12:29 AM   #19
Brian1612
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Quote:
Originally Posted by ///M Sport View Post
After my experience with BHAF, Iím not convinced that snow foam of any sort really provides *that* much benefit over a PW rinse alone.

If the auto foam was that good at breaking dirt down, then a rinse with a water would wash at least some of the dirt away. I guess this is a true test for the cleaning abilities of a foam.

I suspect the pressure from the pressure washer is what is really doing the cleaning.

Thinking about it, when I pressure wash my patio once or twice a year, I do not use any patio cleaner, have done so in the past, but it hasnít provided any better clean than just using the PW alone and thatís on a surface that is much dirtier than a car and gets cleaned much more in frequently. Itís the pressure of the PW thatís doing the work.

Iíll try applying the product via my lance and hose rinse to see if it makes any difference. Would be interesting to see.
If you have a look at my Auto foam review in the bilt hamber section you'll see that really isn't the case at all. I done a black box test and you can see where the product has been applied as opposed to just rinsed with water.

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Old 14-09-2018, 01:28 AM   #20
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Quote:
Originally Posted by ///M Sport View Post
After my experience with BHAF, Iím not convinced that snow foam of any sort really provides *that* much benefit over a PW rinse alone.

If the auto foam was that good at breaking dirt down, then a rinse with a water would wash at least some of the dirt away. I guess this is a true test for the cleaning abilities of a foam.


I suspect the pressure from the pressure washer is what is really doing the cleaning.

Thinking about it, when I pressure wash my patio once or twice a year, I do not use any patio cleaner, have done so in the past, but it hasnít provided any better clean than just using the PW alone and thatís on a surface that is much dirtier than a car and gets cleaned much more in frequently. Itís the pressure of the PW thatís doing the work.

Iíll try applying the product via my lance and hose rinse to see if it makes any difference. Would be interesting to see.
If you are not seeing the removal of any dirt, then you are definitely doing something wrong. A lot on here will agree that just spraying AF on will remove dirt before you rinse. just watch the foam as it fall from the car to the ground, it will be dirty.
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