Gravel & Substrate
gravel & substrate — pre-owned
Browse 37 gravel & substrate — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
OPEN BOXED Seachem Flourite Dark, 7.7 lbs
Seachem Flourite Dark is a specially fracted stable porous clay gravel for the natural planted aquarium. Flourite Dark is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels.
CaribSea South Sea Base Rock for Aquariums, 8.8 lbs
CaribSea South Sea Base Rock for Aquariums, 4 lbs
CaribSea South Sea Base Rock for Aquariums, 2.2 lbs
GloFish Aquarium Terrarium Gravel Multicolor Glow Rocks ~ 1 lb Bag
Marina Betta Aquarium Gravel Cobalt Blue Colored Gravel
14 Lbs Fluorescent Orange Fish Aquarium Gravel Used
14 lbs fluorescent orange fish tank gravel, used but clean and stored dry for a few years
1950's (2) UNOPENED BOXES HARTZ MOUNTAIN COLORED PEARL CHIPS - BULBS & AQUARIUMS
The boxes are in good condition with nice graphics (see pics). I will always state the condition of the item. It is being sold as is.
Marina Betta Aquarium Gravel Cobalt Blue Colored Gravel
GloFish Aquarium Gravel Black And Multicolor Glow Rocks Half Used 5lb Bags
About half of these bags have been used, they were originally 5 pound bags each. Still enough gravel for a small tank. 
1lb Aquarium Gravel Blue Gravel And Aqua Plant Substrate Mix Fish Tank Gravel
Ideal for small fish tanks (around 6in widest length). 1 pound of fish aquarium gravel. Reclaimed aquarium gravel Dustiness is from the dark brown substrate (the non-blue grains) which is beneficial to any aqua plant.
Red Porous Cinder Lava Rock 2 lb FREE SHIPPING
Red Porous Cinder Lava Rock 2 lb. Great for stacking on each other or making backgrounds, Perfect to make caves in Fresh water aquariums. This lava rock will need to rinsed before putting in the aquarium.
Marina Betta Aquarium Gravel Black Red & Pink Colored Gravel
Especially if it arrives broken, defective, or not to your liking in any way.
CaribSea South Sea Base Rock for Aquariums, 4 lbs
CaribSea South Sea Base Rock for Aquariums, 4.8 lbs
CaribSea South Sea Base Rock for Aquariums, 1.6 lbs
Beautiful Stone And Glass Gems For Aquarium, Terrarium, Home Decor 5 1/2 Lb Bag
5 1/2 Lb bag. Decorative Stones For Aquarium, Home Decor. Used in aquarium and for home decor in glass vases. All has been cleaned with salt and water. No soap or unnatural cleaner used. Any questions please feel free to ask
Marina Betta Aquarium Gravel Cobalt Blue Colored Gravel
Marina Betta Aquarium Gravel Black Red & Pink Colored Gravel
Especially if it arrives broken, defective, or not to your liking in any way.
Marina Betta Aquarium Gravel Black Red & Pink Colored Gravel
Especially if it arrives broken, defective, or not to your liking in any way.
5 lbs Bag Of Used gravel (Needs Cleaning Before Use) for fish tank Multicolor'$G
This 5 lbs bag of multicolor gravel is perfect for your fish tank. The gravel is ideal for fish lovers who want to provide a healthy and comfortable living space for their aquatic pets. The bag contains a variety of gravel that needs cleaning before use.
5 lbs Bag Of Used gravel (Needs Cleaning Before Use) for fish tank Multicolor'$G
This 5 lbs bag of multicolor gravel is perfect for your fish tank. The gravel is ideal for fish lovers who want to provide a healthy and comfortable living space for their aquatic pets. The bag contains a variety of gravel that needs cleaning before use.
CaribSea South Sea Base Rock for Aquariums, 2 lbs
Lot of 3 CaribSea South Sea Base Rock for Aquariums, 2.2 lbs
CaribSea South Sea Base Rock for Aquariums, .08 lbs
E-Marco-400 Aquascaping Mortar Complete Kit - Natural (opened And used a little)
Now available in Natural and Coralline color to perfectly match MR rock. Reef safe and trusted by thousands to bond their aqua-scapes, MR E-Marco 400 is the #1 choice if you are looking for the ultimate underwater bond.
CaribSea South Sea Base Rock for Aquariums, 1.8 lbs
CaribSea South Sea Base Rock for Aquariums, 6.4 lbs
Old Stock 2 LBS Green Fish Tank Aquarium Pond Plant Craft Substrate Gravel
This gravel is still sealed from many years ago.
Aqua Culture Black/With Mixture Chips Aquarium Gravel 5 Lb
Gravel is an integral part of every aquarium. Rinse until water is clear. Be sure to use a water conditioner to remove any chlorine And other chemicals present in your water since these chemicals can be fatal to your fish.
Multicolored Aquarium Stones Fish Tank Rock Gravel Glass Pink Blue Green 2 lb
Enhance your fish tank's aesthetic with our 2 lb bag of Multicolored Aquarium glass and Stones. These vibrant pink, blue, and green glass and gravel rocks add a pop of color to any aquarium setup. • Contains 2 lbs of multicolored stones and glass discs • Easy to clean and maintain Size: Pets 2 pound Condition: Pre-Owned Combined shipping available for all sales. Bundle purchase. Contact us with any questions prior to purchase. All sales Ship same or next day.
Fluorescent Glo Fish Aquarium Gravel Accents for Fish Tank 17.5 lbs.
Transform your fish tank into an underwater oasis with these Fluorescent Glo Fish Aquarium Gravel Accents. Add a touch of elegance to your fish tank with these gorgeous gravel accents. Previously used in 15gl.
Aqua Culture Small Rock Aquarium Gravel, 4 lbs, open bag
Gravel is an important part of every aquarium. It not only beautifies it, but provides a surface for the growth of beneficial bacteria which help to convert fish waste.
1 pound 11 ounces Aqua Gems
Made of 100% glass. Liven up your aquarium with this colorful alternative to gravel. Made in China. Item # 840038.
2 boxes of Vintage PERMALIFE AQUARIUM GRAVEL STERNCO old retro supplies
Two boxes of PERMALIFE AQUARIUM GRAVEL. From the STERNCO company. The turquoise gravel is in a bag. Both boxes have wear. See pics. From a smoke free home.
aquarium gravel green 4lbs
aquarium gravel green 4lbs.
Top Fin Blue Premium Aquarium Gravel 5lb - Opened, Unused
Top Fin Blue Premium Aquarium Gravel 5lb.