Therefore in this example the manufacturers recommended weight of magnesium anodes would be 14kg to 20kg. Luckily anodes are sold by weight. Common sizes are 1.5kg, 2.5kg and 3.5kg ingots for standard weld-on canal boat anodes.nodes will offer protection based on the Noble Series of metals. The theory is that by attaching a piece of metal to the hull that is more reactive than the hull itself then this piece of metal will corrode first. For our inland waters we use sacrificial magnesium anodes for protection.
Pure water is a poor conductor of electricity while fresh water or tap water may be said to be a modest conductor and salt water has a much higher conductivity than fresh wate â¦ r. The electrical conductivity of water, both pure water and water with dissolved salts, is simpler to measure than to explain.
Window glass is better than most plastics, and certainly better than clear fiberglass. So it is with electrical conductors, some being better than others. For instance, silver is the best conductor in the conductors list, offering easier passage for electrons than any other material cited. Dirty water and concrete are also listed as conductors, but these materials are substantially less conductive than any metal. Physical dimension also impacts conductivity. For instance, if we take two strips of the same conductive material -- one thin and the other thick -- the thick strip will prove to be a better conductor than the thin for the same length.