Made my own Salt Away injection kit!

mnm99

Well-Known Member
Oct 2, 2015
2,447
Long Island
Boat Info
2004 340 SeaRay Sundancer
Engines
Twin 8.1 Merc
I used the Neutra salt injection kit on my Merc IO and wanted to see how it affected keeping away rust. I've done some testing with salt away and was amazed with the results. I put a bunch of nails in 2 containers one with a tablespoon of salt away and one not. This is the result after 3 weeks. If I take them out the salt away is clean the other is rust..I used the salt water from my bay. Salt away wanted $795 for the switched system and $995 for the RF system...Hell no I can make it for a lot cheaper. Here is my system. larger 4Qt container , fabricated a bracket, 2 Solenoids that flow the same as Neutra salt, 1 RF controller, project box, 2 Bronze 1 1/4" coupler tapped with SS nipples. Some hose, fitting, connectors and that's it! All and all It cost me less than $995....Should work like a charm..:smt038
 
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Very cool!
 
that looks awesome... i gotta find out how this would be used never heard of this before...
 
Good job! We use SaltAway after every time we fire the engines up. It puts a few mins on the end of each trip but well worth it.


Sent from my iPhone using Tapatalk
 
Thanks for the link! I'm assuming this is not of much value on a closed cooled system?

No, mine is closed also, but you still have raw water through your manifolds (I do ) , risers, coolers ect.
 
I used the Neutra salt injection kit on my Merc IO and wanted to see how it affected keeping away rust. I've done some testing with salt away and was amazed with the results. I put a bunch of nails in 2 containers one with a tablespoon of salt away and one not. This is the result after 3 weeks. If I take them out the salt away is clean the other is rust..I used the salt water from my bay. Salt away wanted $795 for the switched system and $995 for the RF system...Hell no I can make it for a lot cheaper. Here is my system. larger 4Qt container , fabricated a bracket, 2 Solenoids that flow the same as Neutra salt, 1 RF controller, project box, 2 Bronze 1 1/4" coupler tapped with SS nipples. Some hose, fitting, connectors and that's it! All and all It cost me $110....Should work like a charm..:smt038

Can you put up the BOM so people can recreate it?

Bryan
 
On the boat you are buying it wont do much good. On 8.1 and 7.4 closed cooling the manifolds drain down through the drive shafts every time you shutoff your engine it happens in about 30 seconds and they stay dry when engine is not running.
 
On the boat you are buying it wont do much good. On 8.1 and 7.4 closed cooling the manifolds drain down through the drive shafts every time you shutoff your engine it happens in about 30 seconds and they stay dry when engine is not running.
Yes , but whatever salt is left over will be neutralized. The water will still be in the fuel cooler, oil cooler ,trans cooler, heat exchanger ect..
 
Impressive! !! I made my own fresh water flushing system just last week and so far so good but it's nowhere near your sophisticated array.
 
Isn't the idea to wash away the salt with freshwater? Well how does it work if it's still has salt water running through the pick up? I put a valve before the strainer on both motors and run completely off dock water to flush out the manifolds and very easy to winterize? $1000 bucks is half the cost of new manifolds. Maybe I'm missing something.
 
Isn't the idea to wash away the salt with freshwater? Well how does it work if it's still has salt water running through the pick up?

That's the beauty of salt away and neutra salt solutions - no freshwater needed as it neutralises the salt before shutting off the motors. Apparently the solutions also start breaking down previous buildups of salt in the system. A similar system can also be expanded to include for your generator and reduce the risk of hydra locking as it doesn't pressurise the system as some freshwater flushing setups do. Also you don't have to drag your hose into the engine bay or connect to a fitting as is the case in a freshwater flush setup. Just press the remote and your done.

Sure there is a cost to the setup but the trade-off is convenience.
 
I'm from the salt belt where the term cars rust out because of salt on the road. So then I was curious as to what chemical neutralizes salt?? Nothing is what I found. A homemade solution of water and baking soda helps to clean but nothing washes it away like water. Convenience would be nice but the salt was away system don't see it. I think a windshield washer bottle with the pump would work pretty easy with the magic potion.
 

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