For freeze protection Dessalator say 1% SMBS in 20% glycerine.  Not glycol.  

On Oct 24, 2016, at 08:17, Patrick Mcaneny sailw32@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Do these products protect the system from freezing ? I need to store the boat on the hard for the winter , so I cannot flush it with fresh water weekly .I know people that use potable antifreeze . Is anyone aware of damage done by using antifreeze with glycol ? It was recommended to me by Great Water , the dealer for these watermakers.

Thanks,

Pat SM#123

-----Original Message-----
From: divanz620@... [amelyachtowners] <amelyachtowners@...>
To: amelyachtowners <amelyachtowners@...>
Sent: Fri, Oct 21, 2016 9:47 pm
Subject: [Amel Yacht Owners] Re: Pickling watermaker

 

Interestingly Filmtec, the manufacturers of the membranes talk about SMBS - Sodium Meta BiSulphite...not sulphate....

Dow Answer Center

	Dow Answer Center Sodium metabisulfite (SMBS) is commonly used for removal of free chlorine and as a biostatic. Other chemical reducing agents exist (e.g., sulfur dioxide), but they are not as cost-effective as SMBS.
	View on dowac.custhelp.com	Preview by Yahoo

 

Cheers

Alan

Elyse SM437

Marsden Cove