# How do I calculate fish tank gravel?

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

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

Aquarium gravel depth

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 in a 55 gallon fish tank?

How do I calculate fish tank gravel? – Related Questions

## Do fish tanks really need gravel?

Gravel is the better choice for most freshwater aquariums. One of the major benefits of gravel is that it allows water to flow through it, preventing the buildup of amoebas and bacteria in the substrate. If allowed to build up for too long, these can sicken your fish and lead to an accumulation of aquarium mold.

## Do fish need gravel at bottom of tank?

Fish tank substrate refers to the gravel, rocks, sand, etc that is on the bottom of your tank. Certainly it increases your tank’s aesthetic appeal, but do you really need it? The answer = no.

## How many bags of substrate do I need for 55 gallons?

Substrate: How Much Do I Need?
Aquarium Size* (gallons) #s of Substrate
10 10 – 20
20L/29/37 29 – 58
40L/55 55 – 110
120 120 – 240

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## How much gravel do I need for a 50 gallon tank?

There are many types of gravel and decorations you could put in an aquarium, but as a rule, a tank should have one pound of gravel for each gallon of water it holds.

625 lbs.

## How often should I do a water change in a 55 gallon aquarium?

You should do a 25% water change every two to four weeks. There is no reason to remove the fish during the water change. Make sure you stir the gravel or use a gravel cleaner during the water change.

## How often should you feed fish in a 55 gallon tank?

You should feed your fish two to three times daily. A few flakes per fish is sufficient. The fish should eat all the food in two minutes or less. Overfeeding can cloud your water and harm your fish.

## How warm should a 55 gallon fish tank be?

A good range is 76° to 80°F (25° to 27°C). A few species need to be kept several degrees warmer, and some species require temperatures a few degrees cooler. A thermometer is vital. A stick-on type enables you to check the temperature whenever you look at the aquarium.

## Do you leave a fish tank heater on all the time?

Do You Leave the Aquarium Heater on All the Time? Yes, you can leave the heater on 24/7. Aquarium heaters have an internal thermostat that turns off the heat when it reaches a specific temperature, thus keeping the water temperature within a few degrees of the desired setting.

## How do I know if my fish tank is too cold?

If your tank temperature is too cold, then your fish’s metabolism will slow down, which leads to your fish becoming sluggish and sleepy. On the flipside, water that is too warm causes your fish’s metabolism to speed up. Your fish will become more lively or even hyperactive.

## Should I turn off lights in my fish tank at night?

Aquarium fish do not need light and it is best that you turn it off during the night. Leaving the light on can cause stress to fish as they need a period of darkness to sleep. Too much light will cause algae to rapidly grow and make your tank look dirty. So the short answer is no, do not leave your lights on.

## What happens if my fish touches the heater?

The main risk for heater burn wounds are secondary infections. Although quite rare, you want to take measures to prevent your fish getting burned by your aquarium heater. Although your fish may act like nothing happened, it is super unpleasant for them.

## Do aquarium heaters use a lot of electricity?

The biggest consumption is used for the lighting system which accounts for approximately 45% of the total bill. Usually the heater comes in second at about 35% of the total cost. Filters commonly run at about 12% while airpumps, etc. account for the remaining 8%. Again this is based on the average aquarium setup.

## How long should aquarium lights be on?

How long should I keep my aquarium lights on? To provide animals and plants the lighting they need, 10 to 12 hours a day is sufficient. Installing a timer or purchasing a unit with integrated timing can make lighting easier––just set it and forget it. Keep in mind algae loves light as well.