Aquarium Substrate for Freshwater and Marine Tanks

Compare aquarium substrate by material, grain size, color, and tank compatibility. This guide helps you evaluate options for planted, freshwater, marine, and decorative aquariums.

164 products in catalog

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Anothera

Anothera 18-lb Bulk Bag White Pebbles 1/2" Size Aquarium Gravel Outdoor Garden Paving Plant Decorative Stones

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Ultum Nature Systems

Ultum Nature Systems Controsoil - Planted Aquarium Substrate Soil for Fish Tank, Natural Freshwater Aquatic Plants, Shrimp, Aquascape - Black (Fine, 10 Liters)

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Tonmp

Tonmp 2 lb Natural Polished White Stones 3/8" Gravel Size Polished River Rock Pebbles for Succulents Cactus Bonsai. Decorative fillers. Aquariums and terrariums

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Nature's Ocean

Nature's Ocean Aqua Terra Black Sand 5 lb Bag, Natural Aquarium Sand

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JackSuper

5 in1 Aquarium Gravel Cleaner Water Changer Glass Scraper Fish Tank Sand Wash Pump Kit with Air-Pressing Button and Adjustable Water Flow Controller Clamp for Fish Tank Gravel-Cleaning

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JUSTFX

2 Pounds River Rock Stones - Natural Polished, Pebbles, Outdoor Decorative Stones, Natural Gravel, For Aquariums, Landscaping, Vase Fillers, Succulent, Tillandsia, Cactus pot, Terrarium Plants

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BiOrb

biOrb 46084.0 Moss Pebbles Aquariums

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Royal Imports

Royal Imports 5LB Decorative Stones River Pebbles Flat Painting Rocks for Fish Aquariums, Plant Gravel, Landscaping, Home Decor Natural - Medium Grey

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WUWEOT

WUWEOT 12 Pounds Decorative Small Pebbles, Natural Gravel Mixed Color Stones for Fresh Water Fish Animal Plant Aquariums, Landscaping, Home Decor etc (0.4"-0.8")

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MyGift

MyGift 16-lb Bag White Synthetic River Pebbles Vase Fillers, Decorative Accent Stones, Aquarium Gravel Fish Tank Rocks - 0.2 to 0.4-Inch Stones

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Seachem Laboratories

Seachem Flourite Black Dark Gravel, 7.7 lb

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Spectrum Brands Pet

GloFish Aquarium Gravel 5 Pounds, Pearlescent, Complements Tanks and Décor, AQ-78484

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WUWEOT

WUWEOT 6-lb White Decorative Bean Pebbles, 0.2" Natural Gravel Rocks for Plants, Succulents, Vases, Aquariums and Terrariums

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Pisces USA

AquaNatural Sugar White Sand 10lb Substrate for aquascaping, Aquariums, vivariums and terrariums

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Carib Sea

Carib Sea ACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

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Pisces

Pisces Gold Pearl 4.4lb Gravel Substrate for Aquariums, terrariums and vivariums, 2-4mm

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SINYUM

SINYUM 5 Pounds Aquarium Gravel River Rock - Natural Polished Decorative Gravel, Small Decorative Pebbles, Mixed Color Stones,for Aquariums, Landscaping, Vase Fillers

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Estes Gravel Products

Spectrastone Permaglo Black Lagoon for Freshwater Aquariums, 5-Pound Bag

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Estes Gravel Products

Spectrastone Special Black Aquarium Gravel for Freshwater Aquariums, 25-Pound Bag

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LAIDANLA

LAIDANLA Crushed Stone Crystal Chips Citrine Bulk Natural Gemstones Healing Reiki Crystals Mini Quartz Vase Filler Aquarium Gravel 100g

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Voulosimi

Voulosimi 3.5 Pounds Black Lava Rock Granules Horticultural Volcanic Stones for Cacti Succulents Potted Plants

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Voulosimi

Voulosimi 6.5 Pounds Natural Decorative White Bean Pebbles Gravel River Rock for Plant Aquariums, Landscaping, Fillers 1/5" Size

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Voulosimi

Voulosimi 3.5 Pounds Natural Decorative Polished Mixed Pebbles Gravel, with Red, White, Green, Black, and Yellow Pastel Accents Decorative Stones for Plant Aquariums, Landscaping, Vase Fillers

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Voulosimi

Voulosimi 2.2 Pounds Natural Decorative White Bean Pebbles Gravel River Rock for Plant Aquariums, Landscaping, Vase Fillers

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