Grow Light Guides

Expert tips and guides to help you optimize your indoor garden lighting for maximum yields.

LED vs HPS

Complete Guide

Featured

LED vs HPS Grow Lights: The Complete 2025 Comparison

Everything you need to know about LED and HPS grow lights: efficiency, heat, spectrum, costs, and real-world yield comparisons. Find out which technology is best for your setup.

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All Guides

Houseplants
New

Best Grow Lights for Succulents & Houseplants

Complete guide for succulents, tropicals, and indoor plants. Top 10 product picks from budget to premium.

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Seedlings

Best Grow Lights for Seedlings & Clones

Complete guide to lighting for early plant growth. T5 vs LED, DLI requirements, and our top picks.

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DLI

Understanding DLI for Different Plants

Complete guide to Daily Light Integral. Learn optimal DLI targets for vegetables, cannabis, herbs, and more.

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4x4

Best Grow Lights for 4x4 Tents

Our top picks for the most popular grow tent size. Budget and premium options with real recommendations.

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Height

Grow Light Distance Guide

How far should grow lights be from plants? LED, HPS, and fluorescent height guides for each growth stage.

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W/sqft

Watts Per Square Foot Guide

How many watts do you need? Complete wattage guide for every light type, plant type, and grow space size.

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LED vs HPS

LED vs HPS: Complete Comparison

Which grow light technology is right for you? Efficiency, heat, cost, and yield comparisons.

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SF vs MH
New

Spider Farmer vs Mars Hydro

Head-to-head comparison of the two most popular LED grow light brands. Find out which is best for your setup.

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Calculate Your Light Requirements

Use our free calculator to find the perfect grow light for your setup.

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