"This is teaching at its best!"--Hans Camenzind, inventor of the 555 timer (the world's most successful integrated circuit)."A fabulous book: well written, well paced, fun, and informative. I also love the sense of humor. It's very good at disarming the fear. And it's gorgeous. I'll be recommending...

The all new Cobalt Aquatics MINI-Therm compact and fully submersible heaters feature a constant ON design, specifically for small aquariums up to 5-gallon. The heater casing is made from a thermal-plastic polymer that is shatterproof. An internal ceramic heat radiator that provides even and the best...

Note: Please review all product information to ensure that this product is compatible with your unit. A Message to the Customer: The ROP Shop staff constantly strives to provide clear and concise product information. We understand that sometimes it can be difficult to confirm product compatibility....

Accudrip acclimation kit "protecting your investment!" there's nothing more heartbreaking than bringing new tank inhabitants home and watching them stressed and traumatized from improper acclimation. You can reduce shock and stress induced diseases by acclimating all new specimens safely and easily...

The Orange Self-Centered Hex-Logic Medium-Heavy Cut Scratch and Swirl Remover is a firm, high density foam pad that is ideal for scratch and defect removal. This pad offers the correction of a typical compounding pad while at the same time allowing the polishing ability of a light cut foam pad. When...

Note: Please review all product information to ensure that this product is compatible with your unit. A Message to the Customer: The ROP Shop staff constantly strives to provide clear and concise product information. We understand that sometimes it can be difficult to confirm product compatibility....

3M Super Duty Rubbing Compound is an aggressive compound that removes 1000 and finer sand scratches on all types of paint surfaces and gelcoats. Our compound remains wet on the job with little or no mess, maintains high rate of cut with constant pressure and buffs to high gloss with minimum effort....

Endorsed by UltraRunning Magazine, Trail Runner Magazine, and many other elite running establishments, NipEAZE is GUARANTEED to prevent nipple chafing during the sweatiest endurance challenges. With its durable adhesive and sweat resistant design, NipEAZE is like a shield that protects you from the...

Hayward Jacks multilube is an unique lubricant and protecting agent for equipment exposed to water. Designed to eliminate rust, corrosion and reduces 80-percent wear. It used on all metal parts or gaskets exposed to water, salt, pool chemicals or constant water pressure. Comes in 1-ounce tube.

The on-board battery charger Offers the perfect mix of high-technology and rugged construction. With a fully-sealed, waterproof housing, The Gen1 can be mounted directly onto a variety of applications including boats, tractors and a wide range of equipment. With the intelligent NOCO vosfx processor...

For all of us who are constantly on the go, staying organized turns out to be very difficult. Go Gear, by Hopkins Manufacturing, provides an innovative, high quality line of storage and organization solutions to help you manage your clutter. Whether it’s locating a spot to hold your mobile phone or...

For all of us who are constantly on the go, staying organized turns out to be very difficult. Go Gear, by Hopkins Manufacturing, provides an innovative, high quality line of storage and organization solutions to help you manage your clutter. Whether it’s locating a spot to hold your mobile phone or...