# How Much Gravel Does My Fish Tank Need in the USA

Generally speaking, you should add about 1 pound of substrate per gallon of water. This means that for a 5-gallon fish tank, a safe bet would be 5 pounds of gravel. Similarly, for a 20-gallon fish tank, roughly 20 pounds of gravel would suffice.

## How do I work out how much gravel I need for my fish tank?

Here’s the Fish Tank Gravel Calculation Guide: Multiply the length of the tank by the width of the tank – For example 30 inches x 12 inches = 360 inches. Divide the answer by 10 – For example 360 inches / 10 = 36.

## How deep should gravel be in a fish tank?

Depth is important too. Gravel needs to be at least two inches deep to anchor live or artificial plants, or if covering an undergravel filter. Too deep and the tank loses fish swimming height, and it traps a lot of dirt.

## How much gravel do I need for a 55 gallon tank?

Also if you plan on adding large live plants to a 55 gallon aquarium then you might want to add 3-4 inches of gravel to ensure your plants thrive in your tank. If you plan on adding a 4 inch bed of gravel just be aware it will take 150 pounds of gravel to achieve that gravel depth.

## Do fish need gravel at bottom of tank?

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. If the tank is left with a bare bottom, it will be necessary to change the water more often to keep harmful waste from building up.

## Can you have too much gravel in aquarium?

Large gravel can damage stems as you plant them, and the roots hold better to smaller-grade gravel. Sand offers a lot of hold for roots, but deeper areas of sand can develop anaerobic bacteria (bacteria that grows without oxygen), which is thought to deter root growth.

## How much gravel do I need for a 29 gallon aquarium?

The general rule of thumb is 1-2 pound per gallon (for standard size aquariums).

## How much gravel is needed for a 30 gallon fish tank?

Gravel for 30-gallon fish tank The rule of thumb for buying gravel for your aquarium is 1 pound of regular aquarium gravel per 1 gallon of water. That means you should plan on a minimum of 30 pounds for a 30-gallon tank for each 1.25 inches of substrate.

## How much gravel is needed for a 10 gallon fish tank?

The rule of thumb to follow is that you need 1.5 pounds of gravel substrate for each gallon of water in the tank. Therefore, for a 10 gallon tank, you will need 15 pounds of gravel.

## Is sand better than gravel in aquariums?

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.

## How much gravel do I need for a 65 gallon aquarium?

To calculate the exact amount of gravel required, you will multiply the depth of the aquarium in inches by the amount of gravel you have calculated per inch. You can also use an Aquarium Gravel Calculator to help you solve this easily. Generally speaking, you should add about 1 pound of substrate per gallon of water.

## What can I put in a 75 gallon tank?

75 gallons offers plenty of space for each Cichlid to establish their personal territory. You can have a few Convict Cichlids, Jack Dempseys, freshwater Angelfish, and a pair of Oscars. Goldfish thrive in a tank this size too.

## Which gravel is best for aquarium?

The 7 Best Aquarium Gravels – Reviews 2021 Exotic Pebbles Polished Mixed Gravel – Best Overall. Pure Water Pebbles Natural Aquarium Gravel – Best Value. Carib Sea Gemstone Creek Gravel – Premium Choice. GloFish Accent Gravel. Seachem Flourite Black Clay Gravel. Imagitarium Blue Jean Aquarium Gravel.

## Can you use normal gravel in a 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. But before testing, make sure to also wash the stones thoroughly to remove all loose grit and contaminants.

## Do goldfish need gravel in their tank?

Goldfish Aquarium Gravel Substrate. A goldfish aquarium doesn’t need a gravel substrate but the goldfish in that goldfish aquarium surely would appreciate it. Even a quarter inch of gravel will allow beneficial nitrifying bacteria to grow.

## Can I add gravel after water?

So what do you say? Ready to get setup? Thoroughly wash aquarium gravel, rocks and ornaments with warm water, then add them to your tank. Do not use soap or detergents—they are highly toxic to 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.

## How often should aquarium gravel be cleaned?

At least once a month you should use an aquarium vacuum to clean the gravel and a sponge or scraper to remove excess algae from the sides of the tank. In addition, you should also test the ammonia, nitrate, and pH levels and keep a log to make sure they are steady from month to month.

## Is Blue gravel bad for fish?

The dye used in cheap gravel available at a low cost, can discolor tank water as well as introduce poisons to your fish community. Having colored tank gravel could be your choice, but unless it is completely cleaned, it can be a long term danger to many fish.

## Can you use pea gravel in a fish tank?

Pea gravel is probably the most popular choice of a substrate with hobbyists, especially if you want a natural look for your aquarium. This type of gravel is formed from small fragments of assorted types of stone. Pea gravel is perfect for a planted tank, and it also works well with undergravel filters.

## How many pounds is a substrate?

We suggest 1 pound of substrate per gallon, to achieve a 1 inch bed or 2 pounds per gallon, for a 2 inch deep bed.

## What substrate is best for tropical fish?

Gravel is probably the most popular substrate option for many fishkeepers. The variation in shapes, sizes and colours make gravel suitable for a variety of set-ups. If you plan on buying fish tank gravel for your aquarium, it is a good idea to consider the livestock that you are keeping first.