Is an undergravel filter enough?

Is an undergravel filter enough?

Purpose of an Undergravel Filter. The two basic things you want in your aquarium are a good filter media base for strong biological filter growth, and clean, clear water. … We feel that these filters can be very effective, but are best used in tanks under 55 gallons in size, and are NOT appropriate for use in reef tanks.

How much gravel do I need for an undergravel filter?

To ensure maximum efficiency with your filter, you will need to make sure that you have at least 2 to 3 inches of gravel above the filter plate. The gravel should be of mixed grades, but make sure that you don't have anything so small that can slip under or through the grating.

Can you use an undergravel filter in a planted tank?

You will not need an undergravel filter (either normal or reverse flow). Undergravel filters are generally not used in planted aquariums, mainly for one reason: The roots get tangled in it.