Sodium Percarbonate Bulk Buy

Replies to This Discussion

Permalink Reply by Tilt on August 3, 2015 at 6:29pm

I'm keen for around 5kg. 

Any chance your looking at buying sodium metasilicate as well?

 I understand PBW is roughly a ratio of 70 percarb /30 metasilicate.

From John Palmer...

"PBW etc.combine sodium metasilicate with the percarbonate in a stable form which increases its effectivity and prevents the corrosion of metals like copper and aluminum that strong alkaline solutions can cause"

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Permalink Reply by Tim Low on August 3, 2015 at 6:55pm

Hadn't thought of buying sodium metasilicate, but now that you mention it....sounds good!

Have you tried this homemade PBW mix before?

I've emailed the supplier for a quote, will let you know when I hear back.

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Permalink Reply by Tilt on August 3, 2015 at 11:06pm

I haven't tried the home mixed version but have heard good reports.  I'm building a new brewery and am aiming to use more of a clean in place approach than my current rig. 

I just haven't got around to sourcing the ingredients before so your timing couldn't be better!  Interested to know what your supplier comes back with.

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Permalink Reply by Tim Low on August 4, 2015 at 6:55pm

Sodium metasilicate is about $3.40kg including shipping for a 25kg sack. Ratio-wise we'd have to get 3 sacks percarb to one sack of sodium metasilicate. That's a lot of PBW!

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Permalink Reply by Tilt on August 5, 2015 at 12:19am

Thanks for checking it out . To try and make it viable I'd be happy to chip in for 8 kg each of percarb and metasilicate. Ive no doubt I'll use it over time.

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Permalink Reply by Jonathan Ritchie on August 3, 2015 at 9:05pm

I buy from Ecofreaks, $8/kg, $6.40/kg for 4kg.
http://ecofreaks.co.nz/collections/bulk-chemicals/products/bulk-pow...

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Permalink Reply by Tim Low on August 4, 2015 at 6:51pm

That's a good price. Works out about $8.70/kg if you include shipping on 4kg worth.

Compared to about $5.90 per kg including shipping for 25kg from the supplier it might be the easier option, unless we can find enough people to share the 25kg. Anybody else interested?

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Permalink Reply by Sam DT on August 4, 2015 at 7:39pm

Might not be an option up in the big smoke but farm suppliers could be a good option as they sometimes use if for dairy cleaning. Down in Chch we get sodium percarbonate for $60+GST per 25kg sack from a place called Aackland Chemicals - think they're Chch only tho.

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Permalink Reply by Matt Smith on August 5, 2015 at 4:50pm

Hi guys, just saw this. I have been using a product made by a local chemical company here in Hastings. It was designed at the request of a few local wineries. Pretty similar to PBW only MUCH cheaper. Around $5 per kg. The makeup is proprietary but the safety data sheet has the Sodium Percarbonate at between 20 - 30% and the Sodium Metasilicate at <5%. The rest is surfactants and <5% Phosphate salts. It comes in 15kg boxes that contain 3 x 5kg bags. I don't think they would be keen to sell to home brewers but I'd be happy to distribute some around. I've been using it to CIP my fermenters and it works as good, if not better than Caustic.

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Permalink Reply by Malcolm Waldeck on August 5, 2015 at 7:30pm

Hi 

I would be keen on a 5kg bag too please, only problem is that im in chch. however will be more than happy to pay for freight if you have the time to send it.

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Permalink Reply by Tim Low on August 6, 2015 at 5:04pm

Thanks for that info Matt. What is the name of the product and the supplier? I'll see if I can they're willing to post to Auckland - save you the hassle of sending it!

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Permalink Reply by Matt Smith on August 8, 2015 at 11:51am

No prob. Ortem trading company. The product is called Stainox. Let me know how you get on.

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