The biggest challenge for ballast water treatment systems at the moment is meeting US Coast Guard requirements for testing, but owners will soon have their share of challenges too, says Wendy Laursen.

Hyde Marine has sold almost 400 systems.

Hyde Marine has sold almost 400 systems.

The rumours about the pending ratification of the ballast water management convention are gaining momentum. Italy, Turkey, Argentina and Japan have declared they will ratify in 2014. Indonesia, Philippines, Belgium and Finland have indicated they are on the way. These countries could swing the numbers needed.

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