![]() ![]() Sand can be slightly trickier to clean than larger, heavier substrate, such as gravel and rocks. Larger grains can be harder for bottom-dwelling fish and invertebrates to work with and are harder to clean in a siphon. Smaller grains are lighter and easily pushed around by currents, which can cause tanks to be cloudy. Live sand grains vary in size from 0.25 millimeters up to 5 millimeters. White tends to show patches of algae and other impurities, making it a better pick for frequently-maintained tanks, or aquariums with lots of algae-eating creatures to keep the sand clean. While white can provide a tank with a clean, attractive aesthetic, it can also look dirty very easily. While is another color that warrants extra consideration. This is most notable with black sand, which is preferred for aquarium tanks with lower-light species because it minimizes light pollution from reflections. While colors are mostly an aesthetic consideration, there are a few scenarios where specific colors have specific strengths and weaknesses. What to Look for in Live Sands for a Reef Tank Color If you want to add some color to your system, check out CaribSea’s Fiji Pink, which has medium grains across the pink pigment spectrum. ![]() Sizes: 10-pound, 20-pound, 40-pound | Varieties: Black Beach, White Sand #1, Reef Substrates, Samoa Pink, and Australian Gold also availableįor those just getting started with live sand, we strongly recommend the middle of the road for weight and color, Nature’s Ocean Natural Reef Sand. It is better for tanks with a lower bioload or those that are meticulously cleaned by their owners or the tank’s inhabitants. White grains will quickly pick up algae that will be more noticeable than with tan, pink or black substrates. The hardest part about dealing with white substrate is that it will look “dirty” more frequently than other colors. Powerful currents can easily lift fine substrate and it will not settle out, causing a cloudy tank appearance. Carefully direct filter and powerhead outflows in order to limit substrate drifting. While fine, white sand can give a clean look to a reef tank, it requires a little more maintenance. Nature’s Ocean White Reef Sand features grains between 0.1 and 0.5 millimeters. Sizes: 10-pound, 20-pound, 40-pound | Varieties: Black Beach, White Sand #1, White Sand #0, Reef Substrates, Samoa Pink, and Australian Gold also availableįine sand gives an exceptional texture to any reef environment and is great for having lots of bottom-dwelling fish and invertebrates to enjoy. The Natural White #0 version has a finer grain-between 0.1 and 0.5 millimeters-which is more likely to get kicked up by direct filter and powerhead outflows, but can be a good choice for aquariums with algae eaters that like to pick through sand, such as hermit crabs or snails. For example, Natural White #1 has grains between 0.5 and 1.7 millimeters, making it an excellent, uniform choice for most saltwater tanks, including those with bottom-dwelling fish. Nature's Ocean Bio-Activ Live Aragonite Reef Aquarium Sand comes in several different colors and gradients, to best match your saltwater tank. It also provides essential inorganic elements, including cobalt, zinc, and molybdenum, in addition to a variety of trace elements. This rich ecosystem starts working immediately at filtering your tank's water and moving it toward a fish-safe equilibrium. Nature's Ocean has so much faith in their patented method of harvesting live sand that they guarantee that each pound of their sand contains more than 10 million live bacteria. The sand also settles quickly, with any cloudiness usually dissipating within a few hours. It looks great too, with tiny shells added to the mix for a more varied appearance. Meanwhile, the bacterial colonies work to decrease your ammonia and nitrite levels. This calcium carbonate acts a buffer against changes in your tank's water, promoting a healthy and consistent pH. It contains beneficial bacterial colonies, in addition to aragonite, a naturally occurring form of calcium carbonate. This product is sustainably harvested from the ocean and packaged in as close to a natural state as possible.
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