The SDS for the Salty Captain seems to suggest possibly something like that.
Unless mistaken I think Alkaline salts could well be a sodium nitrate. I'll take a look at chlor-rid when this other thing I have runs out.
Cheers!
The useage looks a lot like 4-5 hours per week over the summer months to 4-5 hours per month over the winter months with a freshwater flush after each use.
I think Mercruiser made millions of these things and nobody bothered or were able to commercially make a better solution. So perhaps I'll...
Thanks for your input LittleInch, TugboatEng and EdStainless.
I gather the Cu/Ni and NAB are prohibitivey expensive for this application and therefore may just pay the man every few years.
Thanks again.
LittleInch
Yes.
It is exhaust gas presumably 200-300 degrees C being immediately cooled by Seawater at about 15-22 degrees C. It is very similar to this drawing.
This may have been answered before. But I can't see any direct posts about it.
I have a mercruiser 3.0L (4 Cylinder) inboard marine engine with a sterndrive. I am told that as the vessel is used in salt water that the manifolds and risers typically require replacement every 2-3 years at a cost...