How do I stop electrolysis
Eliminate electrolysis, permanently, 3 steps:
1. Identify the type of corrosion
2. Locate the cause
3. Follow Process of Elimination to eliminate the cause
|Step 1: identify the cause of corrosion: electrolysis|
| •Plumbing repair
|| •Paint, repair
|| •welds dissolve
before sheet steel
Step 2: understand what causes electrolysis
And locate the cause:
Connect , battery positive and negative and Sense wire to metal /engine body. N.B. SeaBis must be permanently installed as moisture, new equipment, insulation failure and carbon dust from motor brushes will re-occur. SeaBis will indicate electrolysis by a Traffic Light System:
Normal no danger of corrosion
Caution you may be able to see the corrosion in a year
Serious you will be able to see the corrosion in 6 months
you will be able to see the corrosion in 3 months
battery life is halved because of excessive AC voltage. Your electronics are at risk
To identify the cause: Disconnect equipment until you have Normal. The last thing you disconnected was the cause. Then:
Step 3: Now eliminate the cause - follow Process of Elimination:
To eliminate the cause of corrosion follow Process of Elimination supplied with SeaBis. Now anodes and coatings/platings will work as designed. Full training and diagnostic support included with SeaBis System.
Link: click the underline.
Glen Bishop: Peter is the first to admit he had very little electrical knowledge and communication via satellite was difficult. However we succeeded and eliminated all electrolysis and the causes.
I have a live on board steel hull yacht with very expensive electrolysis. The SeaBis alarms Critical on battery negative.
Glen Bishop: Disconnect battery negative from the hull and run direct to battery negative, until SeaBis indicates Normal. I am glad you are using SeaBis, not a multimeter. The cause of electrolysis is electrical current and multi-meters cannot measure it. They will only confuse you.
I have completed the changes and testing of my electrical system. There are 2 systems: Engine and house.
Engine: I now isolate the starting battery and alternator with switches in the positive and negative cables when the engine is not needed for motoring or battery charging. This also isolates the anchor windlass.
House: I also isolate the positive and negative of the second alternator mounted on the engine for charging the house bank. The house system now 'floats'.
When I attach the SeaBis to the positive and negative of the house bank and the green/yellow to the hull, the SeaBis reads 'caution' on the negative side. This is a remarkable result from before.
The 'caution' means that there is a very small corroding current which I will attempt to track down in due course but I can live with this now. It means that the severe corrosion will now cease. There is a small fault in the negative side of the house circuit.
Please comment on the above.
Glen Bishop: All fixed Peter. The Caution is just that Caution. It will wait until you are ready.
Explanation: When you lay two bar magnets side by side with negative polarized ends together they will repel each other so push apart. Your metals contain electrons and they are negatively polarized. So is your hull/engine - from battery negative (incorrectly labeled 0 volts) being at negative 12 volts. The attraction of your metal to the Earth is increased by the Earth being at positive 1 point 2 volts. Electrons carrying your metal are repelled as CURRENT from your boat to the Earth. SeaBis System eliminates that current, perfectly and permanently.
•Anode or cathodic protection:
Will only stop galvanic corrosion when electrolysis is prevented by SeaBis. Electrolysis is at least 10,000 times more corrosive than galvanic / rust. When SeaBis System prevents electrolysis. Now anodes or cathodic protection will work as designed.
•Work boat, Rig, Platform and Warships:
•Any difficulties contact me:or phone +61 for Australia then (0)417 878 773 /+61 (0)8 8186 4156, or Skype: seabis1
Click to Products
Metal corrosion explanation - brief:
Metal electrolysis has many names: Stray current, galvanic, boat, yacht or marina corrosion, bonding or rust. They are all caused by stray current dissolving the metal to the Earth. The correct name is metal electrolysis and the process electrolytic corrosion. My knowledge commenced with Submarine Service:
Detail: Rust, galvanic corrosion or stray current - metal electrolysis has three causes:
Is of very low ferocity compared to stray current. It can only be present when there is any moisture in the air. Rust is easily prevented by paint or plating after electrolysis is eliminated by the SeaBis System.
Compared to stray current galvanic is also of very low ferocity. Galvanic is easily eliminated by anodes but only after stray current is eliminated by the SeaBis System. Sacrificial Anodes can then work as designed. Galvanic is caused by the natural voltage between two different metals in a conductor such as fresh or salt moisture or water. This voltage never exceeds 1 point 2 volts and current is in the millionths of an amp. Galvanic is at a very very low level compared to the stray current corrosion we are only too familiar with.
Stray current - Electrolysis
This type of corrosion is 1,000 to 1,000,000 greater ferocity than rust or galvanic. It is generated by the motor/plumbing/railway system/windmill/engine/propeller/metal hull/keel/ any metal being at a voltage different to the Earth or any other source. It flows as current from the installation to the Earth, other vessels and installations. It can only be measured as current then eliminated by the SeaBis System.
Electrolysis is caused by electrolytic action, between damp or wet metal or heating / cooling systems via any other than absolutely dry contact to the Earth. Electrolysis is particles of metal being dissolved from your metal by battery current. Battery current is DC - Direct Current so always flows in the same direction carrying particles of your metal with it. AC (Mains power) is Alternating Current that reverses direction every half cycle (Hertz or 1/60 or 1/50 second) so dissolved particles will be replaced every half cycle. So AC cannot cause stray current. All electronics must use DC. All stray current is eliminated by the SeaBis System under actual live use conditions.
In doubt? Ask any manufacturing jeweler how he plates gold. The gold is your metal/engine/hull damp and the jewelry is the Earth.
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By Glen Bishop