Which stone is best for a fish tank?

The best stone for a fish tank is commercially prepared aquarium stone that has been cleaned and tested for mineral content and contaminants. For a freshwater tank, choose a non-calciferous, inert stone that won't change the pH and mineral composition of your water—good choices include quartz, granite, and slate. For a saltwater tank or fish that need hard water, you may want to choose coral or limestone gravel that adjusts the chemistry of your water.

Is it necessary to put stones in aquariums?

It isn't necessary to put stones in aquariums—you could choose another substrate like sand instead. Both allow beneficial bacteria to flourish, which provides important biological filtration for your water. However, many people prefer the look of stone and enjoy the convenience of using a gravel vacuum to clean.

Should I boil rocks before putting them in an aquarium?

You should not boil rocks before putting them in an aquarium, as there is a risk of the rocks exploding. Some rocks contain air pockets that can cause bursting under high heat. If you choose a commercially prepared stone made specifically for use in fish tanks, you should not need to worry about boiling to sterilize them.

Aquarium & Fish Tank Gravel - Page 3 (Free Shipping)

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Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Reef Substrate, 8-lb bag slide 2 of 3

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Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Reef Substrate, 8-lb bag

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6

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Ecoscape Reef Mix D Aquarium Rock, 8 count slide 2 of 6

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Ecoscape Reef Mix D Aquarium Rock, 8 count

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1

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Ecoscape Centerpiece 08 Marine Aquarium Rocks

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Ecoscape Centerpiece 07 Marine Aquarium Rocks

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1

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Stoney River Premium Aquarium Sand, 5-lb bag, Black

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44

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Out of Stock

Ecoscape Centerpiece 06 Marine Aquarium Rocks

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Aquarium & Fish Tank Gravel

Nature's Ocean Bio-Activ Live Aragonite Saltwater Aquarium Sand, Reef Substrate, 8-lb bag

Dennerle Shrimp King Shrimp Active Aquarium Soil, 4-L bag

CaribSea Coraline Caribbean Aquarium Gravel, 40-lb bag

Ecoscape Reef Mix D Aquarium Rock, 8 count

AquaZen Nutrient Base Freshwater Aquarium Substrate, 2.2-lb bag

OASE Indoor Aquatics ScaperLine 3 Fish Soil, Black

Aqua Natural Iwagumi Del Plato Silver Aquarium Gravel, 7.7-lb bag

Ecoscape Reef Mix A Aquarium Rock, 8 count

Ecoscape Centerpiece 08 Marine Aquarium Rocks

Ecoscape Centerpiece 09 Marine Aquarium Rocks

Ecoscape Reef Plate Mix Aquarium Rock, 8 count

Ecoscape Reef Mix C Aquarium Rock, 6 count

Ecoscape Reef Mix B Aquarium Rock, 7 count

Ecoscape Centerpiece 07 Marine Aquarium Rocks

Ecoscape Centerpiece 05 Marine Aquarium Rocks

Ecoscape Nano Mix A Marine Aquarium Rocks

Ecoscape Nano Mix B Marine Aquarium Rocks

Ecoscape Reef Branch Mix Aquarium Rock, 8 count

Stoney River Premium Aquarium Sand, 5-lb bag, Black

Aqua Natural Reef Aquarium Rock, White, 10-lb

Ecoscape Centerpiece 06 Marine Aquarium Rocks

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