Clean It Up

UK Floor Cleaning Forum => Hard Floor Cleaning Forum => Topic started by: CleanClear on October 28, 2012, 09:46:00 pm

Title: Calcium Hypochlorite
Post by: CleanClear on October 28, 2012, 09:46:00 pm

can anyone talk me through the difference (results wise) of using calcium hypochlorite as opposed to sodium hypochlorite? I'm aware one is generally sold as a liquid and needs to be diluted and one is sold as powder/granules or pellets, but just wondered what the other differences are?

Title: Re: Calcium Hypochlorite
Post by: Roger Oakley on October 28, 2012, 10:13:04 pm

What do you want to use it for?
Vast difference IMO

Title: Re: Calcium Hypochlorite
Post by: CleanClear on October 29, 2012, 05:38:47 pm

Quote from: Roger Oakley on October 28, 2012, 10:13:04 pm

What do you want to use it for?
Vast difference IMO

Having used neither before i wanted to test it removing grown in moss/lichens. Tried a small test are here and used Sodium Hypochlorite. Washed first, applied solution, then rinsed off. Was quite impressed with the results.
(http://i1303.photobucket.com/albums/ag149/cleanclear1/patio/IMAG0630.jpg)
(http://i1303.photobucket.com/albums/ag149/cleanclear1/patio/IMAG0632.jpg)


It seemed to struggle with these left over black spots and i wondered if Calcium Hypochlorite might be the answer?

(http://i1303.photobucket.com/albums/ag149/cleanclear1/patio/IMAG0637.jpg)
(http://i1303.photobucket.com/albums/ag149/cleanclear1/patio/IMAG0638.jpg)

Title: Re: Calcium Hypochlorite
Post by: Roger Oakley on October 29, 2012, 05:55:28 pm

What strength Hypo did you use and how long dwell time did you give it?

Title: Re: Calcium Hypochlorite
Post by: CleanClear on October 29, 2012, 06:13:44 pm

15% diluted roughly 3 to 1, and left it down for about 10 mins or so.

Title: Re: Calcium Hypochlorite
Post by: Roger Oakley on October 30, 2012, 06:41:38 am

Re clean the paving, apply mix at 1:1 and leave to dwell for 30 mins, don't let it dry out on the surface, so if it look's like it is drying re-apply so more mix, After dwell time pressure wash off, you should not see virtually no lichen, but from your photos, some of that stuff looks very ingrained.

Title: Re: Calcium Hypochlorite
Post by: CleanClear on October 30, 2012, 06:49:17 pm

Thanks for the advice Roger. Am i barking up the wrong tree considering Calcium Hypochlorite ? I'll re do the whole patio area again this weekend using the method you describe.

Title: Re: Calcium Hypochlorite
Post by: Roger Oakley on October 30, 2012, 07:21:06 pm

Quote from: CleanClear on October 30, 2012, 06:49:17 pm

Thanks for the advice Roger. Am i barking up the wrong tree considering Calcium Hypochlorite ? I'll re do the whole patio area again this weekend using the method you describe.

Yes it is a lot weaker, plus I think it comes in powder form

The longer you can leave the hypo on for the better when you have difficult staining.

Title: Re: Calcium Hypochlorite
Post by: Griffus on October 30, 2012, 11:47:22 pm

Isn't that a pond :o