Can I use both sand and gravel in my aquarium?

You can use both sand and gravel in your aquarium, but many experts recommend against mixing them together. If you choose to use both, try putting them in different areas of the tank. Sand can sometimes cause problems in aquariums, particularly those with live plants. It can become compacted and strangle plant roots, and packed sand can make it hard for burrowing fish to hide. Sand may also not work well with under gravel filters, and too-fine sand may clog regular filters, as well.

How do you clean aquarium rocks and gravel?

You can clean aquarium rocks and gravel in two different ways, either with or without a gravel vacuum. If you have a gravel vacuum, the process is fairly easy, and your vacuum should include good instructions for proper use. If you do not have a gravel vacuum, remove your fish with half their water and store them in a clean, fish-safe bucket or extra tank. Then, dump the gravel into a bucket and use a showerhead or hose to rinse it thoroughly, draining repeatedly until the water runs clean. You can also use this method to clean large aquarium rocks, and new aquarium gravel should be cleaned this way before use, too. You can now reassemble and refill your tank with your fish, their old water and new dechlorinated water to maintain a healthy bioactive balance.

How deep should the gravel and sand be in a fish tank?

The gravel and sand in a fish tank should be just deep enough for aesthetics and proper function. A gravel depth of 2 to 3 inches is ideal for most aquariums, as this depth is enough to anchor plants and/or cover an under gravel filter. For sand, a depth of 1 inch is recommended for most tanks. Larger aquariums may need a slightly deeper substrate, with 3 to 4 inches of gravel or a 2-inch depth of sand recommended.

How often should I change aquarium sand?

You should not change aquarium sand too often, as it can last for a long time with proper maintenance. Changing substrate too often can also throw off the delicate balance of your aquarium and unnecessarily stress your fish. Many aquarists recommend changing the sand once a year or even less. However, very old sand may eventually start to alter the nutrient levels in your tank, so it's a good idea to replace your sand at least every 4 to 5 years.

Aquarium Gravel, Rocks & Sand - Page 2 (Free Shipping)

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Current USA Dragon Aquarium Stone Set, 4 count slide 2 of 4

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Current USA Dragon Aquarium Stone Set, 4 count

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CaribSea Super Naturals Sunset Gold Aquarium Substrate, 50-lb bag

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GloFish Aquarium Fish Gravel, Black & White, 5-lb

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CaribSea Eco-Complete Planted Aquarium Substrate, 10-lb bag

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SunGrow Betta & Turtle Glass Pot for Aquarium Live Plant Reptile Terrarium Tank Decor, 2 count

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CaribSea Ocean Direct Original Caribbean Marine Live Sand, 40-lb bag

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Stoney River Caribbean Beach Premium Aquarium Sand, 5-lb bag

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Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #1, 40-lb box

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Frisco Natural Aquarium Gravel, 5-lb

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CaribSea Aragonite Florida Aquarium Crushed Coral, 10-lb bag

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Penn-Plax Aquatic Glass Crystal Sand Fish Ornament, Blue

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CaribSea LifeRock Nano Arch Aquarium Rock, 1 count

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GloFish Fluorescent Aquarium Gravel, White Frost, 5-lb bag

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CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

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Exotic Pebbles Wood Bean Pebbles, 20-lb bag

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Pure Water Pebbles African Cichlid Aquarium Substrate, Malawi Mix, 20-lb bag

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GloFish Aquarium Sand, 5-lb bag

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CaribSea Eco-Complete Cichlid Aquarium Substrate, 20-lb bag

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Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #0, 10-lb bag

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Frisco Speckled Aquarium Gravel, 5-lb

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CaribSea Super Naturals Torpedo Beach Aquarium Substrate, 5-lb bag

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Penn-Plax Betta World Assorted Accents Fish Ornament, Multicolor

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CaribSea African Cichlid Mix Ivory Coast Aquarium Sand, 20-lb bag

Rated 4.4 out of 5 stars

$21.99 Chewy Price

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CaribSea Super Naturals Torpedo Beach Freshwater Sand, 20-lb bag

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CaribSea Super Naturals Sunset Gold Freshwater Sand, 20-lb bag

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Exotic Pebbles White Bean Pebbles, 20-lb bag

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CaribSea Super Naturals Moonlight Sand Aquarium Substrate, 50-lb bag

Rated 4.6 out of 5 stars

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CaribSea Eco-Complete Cichlid Zack Aquarium Substrate, 20-lb bag

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Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Australian Gold, 10-lb bag

Rated 4.3 out of 5 stars

$13.92 Chewy Price

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CaribSea CoraLine Florida Crushed Coral Marine Gravel, 15-lb bag

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$14.28 Chewy Price

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CaribSea Ocean Direct Live Oolite Aquarium Sand, 40-lb bag

Rated 4 out of 5 stars

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Spectrastone Swift Creek Premium Aquarium Gravel, 5-lb bag

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CaribSea Arag-Alive! Special Grade Reef Aquarium Sand, 20-lb bag

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CaribSea Arag-Alive! Hawaiian Black Aquarium Sand, 10-lb bag

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Aquarium Gravel, Rocks & Sand

Current USA Dragon Aquarium Stone Set, 4 count

Pisces USA Betta Aquarium Jewels, Emerald, 17-oz bag

CaribSea Super Naturals Sunset Gold Aquarium Substrate, 50-lb bag

GloFish Aquarium Fish Gravel, Black & White, 5-lb

CaribSea Eco-Complete Planted Aquarium Substrate, 10-lb bag

SunGrow Betta & Turtle Glass Pot for Aquarium Live Plant Reptile Terrarium Tank Decor, 2 count

CaribSea Ocean Direct Original Caribbean Marine Live Sand, 40-lb bag

Stoney River Caribbean Beach Premium Aquarium Sand, 5-lb bag

Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #1, 40-lb box

Frisco Natural Aquarium Gravel, 5-lb

CaribSea Aragonite Florida Aquarium Crushed Coral, 10-lb bag

Penn-Plax Aquatic Glass Crystal Sand Fish Ornament, Blue

CaribSea LifeRock Nano Arch Aquarium Rock, 1 count

GloFish Fluorescent Aquarium Gravel, White Frost, 5-lb bag

CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

Exotic Pebbles Wood Bean Pebbles, 20-lb bag

Pure Water Pebbles African Cichlid Aquarium Substrate, Malawi Mix, 20-lb bag

GloFish Aquarium Sand, 5-lb bag

CaribSea Eco-Complete Cichlid Aquarium Substrate, 20-lb bag

Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #0, 10-lb bag

Frisco Speckled Aquarium Gravel, 5-lb

CaribSea Super Naturals Torpedo Beach Aquarium Substrate, 5-lb bag

Penn-Plax Betta World Assorted Accents Fish Ornament, Multicolor

CaribSea African Cichlid Mix Ivory Coast Aquarium Sand, 20-lb bag

CaribSea Super Naturals Torpedo Beach Freshwater Sand, 20-lb bag

CaribSea Super Naturals Sunset Gold Freshwater Sand, 20-lb bag

Exotic Pebbles White Bean Pebbles, 20-lb bag

Pure Water Pebbles Bio-Activ Live African Cichlid Aquarium Substrate, Rift Lake, 20-lb bag

CaribSea Super Naturals Moonlight Sand Aquarium Substrate, 50-lb bag

CaribSea Eco-Complete Cichlid Zack Aquarium Substrate, 20-lb bag

Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Australian Gold, 10-lb bag

CaribSea CoraLine Florida Crushed Coral Marine Gravel, 15-lb bag

CaribSea Ocean Direct Live Oolite Aquarium Sand, 40-lb bag

Spectrastone Swift Creek Premium Aquarium Gravel, 5-lb bag

CaribSea Arag-Alive! Special Grade Reef Aquarium Sand, 20-lb bag

CaribSea Arag-Alive! Hawaiian Black Aquarium Sand, 10-lb bag

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