Ask the Expert

Is Nylon Strapping OK for My Batteries?
With sealed, valve-regulated batteries, nylon retaining straps shouldn't be subjected to corrosive vapors -- and if they are, they're still pretty reliable.
Weego Emergency Jump-Starters: How Many Amps Do I Need?
Engine jump-starters are a good idea -- but how can you tell how much cranking power is necessary?
Confusion Over Marine Fuel Hose Numbers
The updated ratings are all about permeability.
Selling Your Boat: DIY, or Trade In?
Here are some tips to help you sell your boat for the best price.
Will Sacrificial Anodes Work if Not Submerged?
For anodes to work, they need to be immersed in the same electrolyte as the metals they're protecting.
Can a Lithium-Ion Battery Fire Be Put Out with a Conventional Fire Extinguisher?
Lithium-ion battery installations need to be well-engineered, with redundant safety systems and automatic disconnects.
Is the Heat in My Engine Compartment Going to Cause Damage?
Cramped engine spaces, high heat, and electrical components make for a bad combination.
Sunglasses: Good for Your Health
Good sunglasses do much more than just make a fashion statement: they protect your eyes from damaging UV.
Why Shouldn’t I Run My Bilge Pump Dry?
Rubber shaft seals need fluid for lubrication and cooling. Dried-out, damaged seals and water intrusion are common causes of failure in bilge pumps.
Knot Tying for Boaters: 5 Basic Knots
Five knots every boater should know

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