The Roof Cleaning Institute Of America Training & Certification Forum
"Find A Certified Roof Cleaner Directory"

E-P-W wrote:

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Haveing a little trouble finding SH in my area. The smallest amount that I can find is a minimum order of four drums  @ $300 per drum and a fuel charge of $180, delivery only to a commercial address only. no pickup

I thought that was a little crazy.

Found this product at local ace hardware.

Label reads as follows

Hth liquid chlorinator(made by ARCH Chemicals)

dual purpose: sanitizer and shock

active ingredient:

 sodium hypochlorite.............................10%
 other ingredient...................................90%
 total...................................................100%

link to ACE
http://www.acehardwareoutlet.com/(1uwcmxr45yhl5k45ehltctfh)/ProductDetails.aspx?SKU=8239980&

I also called my local pressure washer supply(not going to mention name) to ask if he knew of a local supplier for SH, but he was not of much help. He asked me what I  needed  SH, so I told him for roof cleaning. 

Get This, 
    He said to me, Your dont need that stuff, Just get up there with some heavy hot truck degreaser, spray on then use your pressure washer to blast off the dirt and mold!

Then I said to him, thats not the right way to clean a roof,   
and explained to him the techniques that I have learned here also that is not a approved way of cleaning asphalt shingles by the manufacture

Just thought I might share that last bit of info with you
for a laugh or two

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E-P-W wrote:

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I thought Pool shock was Calcium hypochlorite.

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The liquid forms will be SH. The solid forms will be calcium hypo.