What is the best gravel for a fish tank?

Asked By: Rosemery Pribytkov | Last Updated: 3rd January, 2020
Category: pets fish and aquariums
4.7/5 (131 Views . 31 Votes)
What are the most trusted aquarium gravel brands?
  • GloFish Aquarium Gravel.
  • ADA Aqua Soil Amazonia LIGHT.
  • Marina Decorative Gravel.
  • CNZ Aquarium Natural River Gravel.
  • Spectrastone Shallow Creek Regular for Freshwater Tanks.
  • Govine Polished Gravel Decorative Gravel.
  • Carib Sea ACS00832 Peace River Gravel.

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Simply so, what color gravel is best for fish tank?

Best Colour Gravel For Aquarium: Top 5 Picks

PRODUCT COLORS OUR RATING
Glofish Pink/green/blue mix, black/white mix, green, pink, black and white 9.4/10
Pure Water Pebbles Turquoise 9.1/10
Marina Black, blue, burgundy, yellow, orange and purple 8.6/10

Subsequently, question is, which is better sand or gravel for a fish tank? Gravel is the better choice for most freshwater aquariums. Gravel also comes in a variety of colors so you can customize your tank and make it complement your fish. The Case for Sand Substrate. Sand doesn't allow water to flow through it as well as gravel does.

Thereof, is Gravel good for aquarium?

Perhaps the most important function aquarium gravel serves is to provide a home for beneficial bacteria. The bacteria can live without a comfy gravel bed, but they might not grow in sufficient quantities to keep the aquarium safe for your fish.

How much gravel do I need in my fish tank?

Generally speaking, around 1 pound of substrate per gallon of water is what you want to go for. So, for a 5 gallon tank, this means you should be using about 5 pounds of gravel substrate. If you are unsure of exactly how much gravel you need, using a simple fish tank gravel calculator will do the trick.

38 Related Question Answers Found

Is colored gravel bad for fish?

It is extremely unlikely that any gravel marketed for aquarium use, colored or or otherwise, would be toxic to fish.

Will aquarium plants grow in gravel?

In short, yes. Certain species of aquatic flora can grow in gravel. This will depend on the type of gravel that you have. Large chunky aquarium rock gravel isn't an ideal substrate material choice.

Do I need to clean gravel in aquarium?

So, the answer is not often. When it becomes necessary to clean the gravel, take a few handfuls of the dirty gravel out of the tank and set it aside. Remove the rest of gravel and rinse until the water runs clear, then place as desired in the tank. Add the gravel you set aside.

Can you use any type of gravel in a fish tank?

Sand and gravel can be used together in aquariums, but if the gravel is put down first it will end up on top as the sand gradually settles to the bottom. Sand can't be used with gravel when using under-gravel filters as the motor won't be able to suck the water through both the gravel and the hard-packed sand.

Is gravel dust harmful to fish?


Cleaning new aquarium gravel properly is an important first step in keeping water quality high; gravel dust and residue can harm or even kill fish.

How often should I vacuum my gravel?

As with all best maintenance routines, regular vacuuming, either once a week or once every other week is best for your aquarium. Be sure to remove all your decor prior to vacuuming. You'll be amazed how much waste settles under those pretty plants and castles.

Do you vacuum gravel in a planted tank?

In my experience, it's fine to not vacuum the gravel and the plants would use the waste for nutrition. Apparently vacuuming will disturb the roots, if you feel like you should vacuum, just place the siphon just above the substrate to remove the waste at the top.

Can I use river rocks in my aquarium?

The bleach will probably take care of that, but you may want to soak the rocks in clean water for a few days, then let them dry in the sun. To make sure they are not reactive, you can pour a little vinegar on them. If it fizzes, don't use the rocks in your aquarium. If so, they can be used to decorate aquaria.

Does gravel affect pH?

Could rocks or gravel that were added as decor in the aquarium affect the water pH? Yes. If your rocks are actually limestone, they are the cause for the pH elevation in your aquarium water. Limestone is calcareous (contains calcium) and is known for its ability to both harden the water and increase the pH.

Can I put rocks in my fish tank?


To maximize the comfort of most freshwater fish, softer water with lower pH is usually preferred. It's best to avoid using rocks that are high in calcium or would otherwise cause water to become hard. Some of the best rocks to use for a freshwater aquarium are lava rocks, shale, slate, basalt rocks, and quartz.

What happens to fish poop in aquarium?

What happens to fish poop in the aquarium? Fish poop within your aquarium will take some time to settle down. Fish poop breaks down over time into ammonia and then into nitrate. The aquatic plants inside your fish tank can consume both the ammonia as well as the nitrate.

Do fish need rocks in their tank?

Gravel serves an important role in your tank. Gravel can keep water clean, provide a base for plants to grow, allow fish to sleep or lay, and give the fish tank a more natural look. Gravel can also shape water in a tank and provide good water balance. Your fish needs to sleep.

Do you need to rinse aquarium sand?

So YES rinse your sand b/c if you don't, any time your sand gets stirred in the future you'll probably get a cloudy haze that will take time to settle.

Can you put rocks from outside in your fish tank?

The principal danger of using your own outdoor gravel and stones in an aquarium is the possibility that they contain calcium, which can alter the pH of aquarium water. Testing for calcium can be as simple as placing a few drops of vinegar on the rock or gravel you are considering using.

Do guppies like sand or gravel?


If comfort is something that you deem to be a priority, but you don't want the tank to look bare, then sand can be a great option as it is softer, looks good and is easier to clean than gravel. Do I need a filter? A filter is not compulsory as guppies don't produce as much waste as other fish such as goldfish do.

Can you use normal sand in a fish tank?

You can put sand in your fish tanks; just make sure you buy it from a reputable place. If you're determined to use beach sand in your tank, it can be done but you need plenty of patience and time.

Can you Gravel Vac sand?

Just hover the gravel vac over the top of the sand, without actually touching the sand. It takes a bit of getting used to, but once you're used to it, you will find it easy enough.