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2. Hydrophobic sand - Wikipedia

   en.wikipedia.org/wiki/Hydrophobic_sand

   Hydrophobic sand (or magic sand) is a toy made from sand coated with a hydrophobic compound. The presence of the hydrophobic compound causes the grains of sand to adhere to one another and form cylinders (to minimize surface area) when exposed to water, and form a pocket of air around the sand. [1] The pocket of air makes magic sand unable to ...

3. Live sand - Wikipedia

   en.wikipedia.org/wiki/Live_sand

   Live sand, a term used in aquarism, is natural reef coral sand populated with millions of beneficial bacteria and organisms which aid in the dissolving of organic wastes like ammonia, nitrites and nitrates produced by larger organisms in saltwater aquariums. Live sand can be purchased from aquarium stores, but most hobbyists make their own by ...

4. Substrate (aquarium) - Wikipedia

   en.wikipedia.org/wiki/Substrate_(aquarium)

   For freshwater aquaria, gravel is the most common substrate. To prevent damage to fish, gravel should not be sharp. Aquarium gravel can be as coarse as pea-sized or as fine as 1–2 mm. [1] It is available in a number of colors, and may be naturally colored or dyed, and may have a polymer seal to ensure it does not affect water chemistry. [1]

5. Deep sand bed - Wikipedia

   en.wikipedia.org/wiki/Deep_sand_bed

   A deep sand bed is [1] a filtration method used in some saltwater aquariums and some freshwater aquariums. A deep sand bed, similar to the Berlin Method , is designed to cultivate anaerobic bacteria in the bottom layers of sand , converting nitrate to nitrogen gas to remove toxic nitrates.

6. SeaWorld San Diego - Wikipedia

   en.wikipedia.org/wiki/SeaWorld_San_Diego

   On May 26, 2012, SeaWorld San Diego opened a new mega-attraction called Manta, a Mack launched roller coaster featuring two launches LSM of up to 43 miles per hour (69 km/h) accompanied by a bat ray aquarium and shallow touch pool for touching bat rays, white sturgeons, and shovelnose guitarfish. The two-minute, 2,800-foot (850 m) long ride ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Can I use sand as cat litter? We asked a vet to find out! - AOL

   www.aol.com/lifestyle/sand-cat-litter-asked-vet...

   Cons: 1. Limited absorbency Sand is not as absorbent as the best cat litter, which can lead to excess moisture in the litter box.. 2. Poor odor control Sand does little to neutralize odors ...

9. Oolitic aragonite sand - Wikipedia

   en.wikipedia.org/wiki/Oolitic_aragonite_sand

   Oolitic aragonite sand is composed of the calcium carbonate mineral, aragonite, with an egg-like shape ("oolitic" from the Ancient Greek word ᾠόν for "egg") and sand grain size. This sand type forms in tropical waters through precipitation , sedimentation , and microbial activity, and is indicative of high energy environments. [ 1 ]