6 Best Co2 Systems for Planted Aquariums (October 2026) Top Reviews
Compare the best CO2 systems for planted aquariums: cartridge, cylinder, generator and liquid options, with safety tips and a simple pH and KH rule.
Planted Tanks
Angelfish in a Planted Aquarium: Best Plants and Setup
Angelfish do well in a planted aquarium if the tank is tall, the water is...
Types of Aquarium Plants: Stem, Rosette, Rhizome, Floating and Carpet
Aquarium plants are usually grouped by growth form into stem, rosette, rhizome, stolon (runner), floating,...
Root Tabs for Aquarium Plants: When and How to Use Them
Root tabs are small compressed fertilizer tablets pushed into the aquarium substrate to feed plants...
CO2 for Planted Aquariums: Do You Need It and How Systems Work
You do not need CO2 for a planted aquarium unless you want to grow demanding,...
Low-Tech Planted Tank: Plants, Substrate and Light Without CO2
A low-tech planted tank is an aquarium that grows plants without injected CO2, using modest...
Betta Fish Planted Tank Setup: Step by Step
A good betta planted tank is a heated, filtered and fully cycled aquarium of at...
Monte Carlo Aquarium Plant: Carpet Care Guide
Monte Carlo (Micranthemum tweediei) is a small, creeping stem plant that forms a bright green...
Marimo Moss Ball Care: Setup, Growth and Common Problems
A marimo moss ball is not a moss at all but a ball of filamentous...
Best CO2 Diffusers for Planted Aquariums: Inline vs In-Tank Explained
The best CO2 diffusers for planted aquariums are the Aquario Neo diffuser for in-tank use...
Best Rimless Aquarium for a Planted Setup: Top Picks Guide
Tank geometry decides how much room you have to arrange plants and hardscape, while light,...
Best Dosing Pump for a Planted Tank: Smart Buying Guide
A planted tank does not automatically need a dosing pump, but automation earns its place...