(Note: Algae growth is not guaranteed or warranted). HOG3xx has Xtra Xtra LED lights for very high nutrient water, such as 0.5 ppm phosphate. First three cleanings of the similar HOG3 in saltwater: http://youtu.be/gaW0qAHRb_w Unboxing and shade cloth Installation of the similar HOG3: http://youtu.be/aGFhFtpEuR8 This HOG3x scrubber (tm) has 36 square inches (225 square cm) of algal growth surface, which is designed to absorb the nutrients from this much feeding per day: 3 Frozen cubes, or 30 Pinches of flake, or 30 Square inches (125 square cm) of nori, or 58.4 grams of pellets The number of gallons or liters of water in your tank or sump does not matter. If you feed more than the above amounts, you can get multiple HOG3s units; multiple units are preferred over one larger unit because you can clean one unit per week, and because you'll always have one unit filtering while the other one starts growing again after a cleaning. Multiple units are also good for backup. The magnets attach the outside cover to the inside cover, through the aquarium wall, and can be used on glass or acrylic up to 5/8 inch (16 mm) thick. No electrical parts go inside the aquarium; only air. And the air bubbler is already supplied, so you don't have to get an airstone; it is both adjustable and open-able to allow for easy cleaning. This HOG3x will run on both 120V and 240V, and comes with a 10 ft (300 cm) power cord with a U.S. plug. If you require a different plug you can get an adapter at any local hardware or travel store, or online, or you can cut off the U.S. plug and install your own plug from a hardware store. You may need a timer so you can run the LEDs for 12 to 22 hours per day (not 24). Requires an air pump that can pump at least 2 liters per minute (.07 cfm), preferrably more, such as the Tetra Whisper AP 300. One year warranty.
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