Roof mix

[john neilson]

I have a simple question, What ratio of SH to water are you guys/gals using. At times I feel my mix is too strong and others too weak. I have been using 5 gallon tanks. 50/50 ratio. With roof snot added. ( the snot is awesome by the way). I have 3 shingle roofs on Monday but I will be using my 55 gallon tank for this one. I do have a dedicated pump for application.

 

[HighTide]

I start with 1 part SH and 2 parts water (33%) for an average cleaning. I have adjusted my mix up to 40% for a heavier mildew/algae roof and down to 25% for a less dirty roof. I also include roof snot with my mix.

 

[Adkins Cleaning Sol.]

55 gallon barrel, 20 gallons sh, 30 gallons water, add roof snot. 30% mixture usually does the trick for us as well.

 

[Rapid HotClean]

55 gallon barrel, 20 gallons sh, 30 gallons water, add roof snot. 30% mixture usually does the trick for us as well.

Not trying to be a wise guy (I'm not smart enough to be one), but net of the Snot doesn't that mix figure to be 40%?

 

["Red"]

Not trying to be a wise guy (I'm not smart enough to be one), but net of the Snot doesn't that mix figure to be 40%?

Yep (by total volume).

 

[Doug Rucker]

12-15 gallons (depending on how dirty it is) 10% liquid pool shock. 40 gallons water, 32 ounces SNOT, 6 ounces lemon Ade when needed.


Doug Rucker
Clean and Green Solutions
Pressure Washing Roof Cleaning School
Call or Text 281.883.8470

 

[Adkins Cleaning Sol.]

Not trying to be a wise guy (I'm not smart enough to be one), but net of the Snot doesn't that mix figure to be 40%?

30% usually works for me but we normally do 20/30, makes it easy for my guys to mix that up, so yes technically that's a 40% mixture, you are correct.

 

["Red"]

If yours are anything like this one (I used a 40% mix by total volume) [http://www.propowerwash.com/board/u...r-temperatures&p=337873&viewfull=1#post337873] The you should be fine.

 

[Adkins Cleaning Sol.]

If yours are anything like this one (I used a 40% mix by total volume) [http://www.propowerwash.com/board/u...r-temperatures&p=337873&viewfull=1#post337873] The you should be fine.

Those were some great before and after pictures, did you up the mix because of the cooler temps or is that your normal mixture.

 

["Red"]

Those were some great before and after pictures, did you up the mix because of the cooler temps or is that your normal mixture.

By the time I got started around noon, the temperature felt like it was in the low 70's so I stuck with the 40%. Checked the temperature after I was finished and it was still in the mid 50's (that's Florida... go figure).

 

[AC Lockyer]

Here is a link to a very helpful page, http://www.softwashsystems.com/page_mixology.htm

AC

 

[American-ProTech]

The mix ratio is directly proportional to the strength of your SH (among other, more minor variables, ie temperature, potential additives etc.) Case in point, we have to mix at nearly 50/50 due to the weak nature of the SH that I get locally. My buddy in another state gets GOOD SH, and mixes at 30/70! Since the strength of the SH varies greatly, a good rule of thumb is to watch how long it takes to work. We shoot for about a 5 minute working time. If the mix is working much faster, we're playing with fire as it's too hot.. Much slower - then we're wasting time and money. (The exception is in really cold weather, 30-40f. Be very patient, as it may take up to 15 minutes or even longer to get the desired results.)

 

[Rapid HotClean]

Ted, what % is the SH you're getting labeled - i.e. 12.5%, 10% etc?

 

[American-ProTech]

Ted, what % is the SH you're getting labeled - i.e. 12.5%, 10% etc?

There are no labels on it Ted. I pull up and the tanks get filled just like at a gas station. My supplier in turn, takes delivery from a tanker. They've said for years that it's 15%. There's no way that can be accurate though.

 

[Rapid HotClean]

There are no labels on it Ted. I pull up and the tanks get filled just like at a gas station. My supplier in turn, takes delivery from a tanker. They've said for years that it's 15%. There's no way that can be accurate though.

The SH out here is supposed to be 12.5, but I don't think it is. A wild guess would be about 10.0-10.5.

 

["Red"]

I've read that SH has a specific weight (compared to water) for the difference %'s. I still haven't found anything concrete (no pun intended), but this seems to me to be a way to determine what % of SH you're buying.

 

[American-ProTech]

I've read that SH has a specific weight (compared to water) for the difference %'s. I still haven't found anything concrete (no pun intended), but this seems to me to be a way to determine what % of SH you're buying.

Interesting thought there Red. I may have to experiment with that. Thanks for sharing!

 

[john neilson]

Here is a link to a very helpful page, http://www.softwashsystems.com/page_mixology.htm

AC

I've read that SH has a specific weight (compared to water) for the difference %'s. I still haven't found anything concrete (no pun intended), but this seems to me to be a way to determine what % of SH you're buying.

In this link by AC he shows to add water first when filling the tank.

 

[Russ Johnson]

You always add chemicals to water. Some chemicals are exothermic, and release heat when water is added, sometimes rapidly and violently, causing gushing and boil overs. It's just a really good habit to adopt.

 

[john neilson]

You always add chemicals to water. Some chemicals are exothermic, and release heat when water is added, sometimes rapidly and violently, causing gushing and boil overs. It's just a really good habit to adopt.

I was getting my SH first then diluting later at the job. I deffenitly will change that bad habit.