Planted Tank

Aquatic plant care and planted-tank gear — CO2 systems, fertilizers, substrates and aquascaping guides for lush, healthy underwater gardens.

155+ Reviews

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Choosing the best canister filter for a 55 gallon planted tank is less about chasing...

David Nguyen Sep 18, 2026

Choosing the right canister filter starts with the aquarium’s water volume, but tank dimensions, fish...

David Nguyen Sep 18, 2026

For most planted 40-gallon aquariums, plan on 2 to 3 inches of substrate across the...

David Nguyen Sep 18, 2026

The Short Answer For most 55-gallon aquariums, choose an adjustable air pump rated for at...

David Nguyen Sep 18, 2026

Planted tanks need to automate a shorter list than a reef, so the goal is...

David Nguyen Sep 18, 2026

Stainless steel looks the part in an aquascape, but tank dimensions, flow and head pressure...

David Nguyen Sep 18, 2026

The Short Answer Yes, active substrate is worth it for a planted tank if you...

David Nguyen Sep 18, 2026

A deep 55-gallon aquarium puts more distance between the air pump and the diffuser, so...

David Nguyen Sep 18, 2026

A planted 20-gallon aquarium can be a beautiful focal point in a living room, home...

David Nguyen Sep 18, 2026

In a small bedroom, home office, or studio apartment, a five-gallon shrimp tank can be...

David Nguyen Sep 18, 2026

A planted aquarium brings a different set of demands to filtration. Fish waste, loose leaves,...

David Nguyen Sep 18, 2026

In a CO2-injected planted tank, a filter’s job is steady, controllable circulation, not the biggest...

David Nguyen Sep 17, 2026