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Planted Tank

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

73+ Reviews
Updated daily
Quick Picks: Best LED Aquarium Lights for Planted Tanks

Quick Picks: Best LED Aquarium Lights for Planted Tanks

Choosing the right LED light for a planted aquarium is one of the most consequential decisions a planted tank hobbyist can make. Plants need specific wavelengths of light — primarily in the red and blue spectrum — delivered at sufficient in

Jordan Hayes May 6, 2026
Quick Picks: Best Liquid Fertilizers for Planted Tanks

Quick Picks: Best Liquid Fertilizers for Planted Tanks

A thriving planted aquarium doesn't happen by accident — it requires light, carbon dioxide, and a steady supply of essential nutrients that most tap water simply cannot provide in adequate quantities. Liquid fertilizers are the most versati

Jordan Hayes May 6, 2026
Quick Picks: Aquarium Plant Java Fern & Anubias

Quick Picks: Aquarium Plant Java Fern & Anubias

Live aquarium plants transform a glass box of water into a miniature ecosystem. They absorb ammonia and nitrate — the byproducts of fish waste — compete with algae for nutrients, produce oxygen during daylight hours, and provide shelter tha

Jordan Hayes May 6, 2026
Quick Picks: Aquarium CO2 Cylinder and Regulator

Quick Picks: Aquarium CO2 Cylinder and Regulator

Carbon dioxide injection is the single most impactful upgrade for a planted freshwater aquarium. Without adequate CO2, even the highest-quality fertilizers and lighting cannot push plant growth to its potential — and algae fills the gap. A

Jordan Hayes May 6, 2026
Quick Picks: Best Aquarium Plant Fertilizers (Liquid and…

Quick Picks: Best Aquarium Plant Fertilizers (Liquid and…

Healthy, thriving aquarium plants don't happen by accident. Like any living organism, aquatic plants need a balanced supply of macro and micronutrients to grow, stay green, and outcompete algae. In most aquariums, the water column and subst

Jordan Hayes May 5, 2026
Quick Picks: Best Aquarium Substrates for Planted Tanks

Quick Picks: Best Aquarium Substrates for Planted Tanks

The foundation of any thriving planted aquarium is literally beneath your feet — or rather, beneath your plants' roots. Substrate selection is one of the most consequential decisions a planted tank keeper makes, and it's also the hardest to

Jordan Hayes May 5, 2026
Quick Picks: Best Lights for Freshwater Planted Tanks —…

Quick Picks: Best Lights for Freshwater Planted Tanks —…

We evaluated planted tank lights across low-tech, medium-tech, and high-tech setups with CO2 injection, growing everything from slow-growing mosses and crypts to demanding carpeting plants like Monte Carlo and HC Cuba. PAR measurements were

Jordan Hayes May 5, 2026
6 Best Aquarium Carpet Plant Seeds

6 Best Aquarium Carpet Plant Seeds

TL;DR: Aquarium carpet plant seeds — primarily sold as Monte Carlo and HC Cuba — are a low-cost entry point for foreground carpets, but results depend entirely on CO2 supplementation, substrate, and light intensity. Without CO2, most seeds

Jordan Hayes May 5, 2026
Fluval Plant 3.0 LED Aquarium Light Honest Review 2026

Fluval Plant 3.0 LED Aquarium Light Honest Review 2026

TL;DR: The Fluval Plant 3.0 LED is the benchmark mid-range planted tank light — Bluetooth programmable, full-spectrum with UV and IR, and powerful enough to grow demanding carpets and stem plants in tanks up to 36 inches. Its app-controlled

Jordan Hayes May 5, 2026
6 Best Aquarium CO2 Diffusers for Planted Tanks 2026

6 Best Aquarium CO2 Diffusers for Planted Tanks 2026

TL;DR: A quality CO2 diffuser is the single highest-leverage upgrade for a planted tank — poor CO2 dissolution wastes gas and stunts plant growth regardless of how good your light or fertilizer is. Fine ceramic disc diffusers produce bubble

Jordan Hayes May 5, 2026