Skip to content
Indoor Harvest Lab logo
Search
  • Start Here
  • Hydroponics
    • Getting Started
    • Systems
    • Nutrients & pH/EC
    • Problems & Fixes
  • Microgreens & Sprouts
    • Growing Guides
    • Problems
  • Seed Starting
    • Germination
    • Grow Lights for Seedlings
    • Leggy & Weak Seedlings
  • Indoor Edibles
    • Herbs
    • Leafy Greens
    • Fruiting Crops Indoors
  • About

Archives: Blog

link to How Far Should Grow Lights Be From Seedlings? Grow Light Distance by Light Type

How Far Should Grow Lights Be From Seedlings? Grow Light Distance by Light Type

Fluorescent tubes 2–4 inches, LEDs higher: extension-backed grow light distance for seedlings, the PPFD behind it, and how to adjust the height.

Continue Reading
link to How to Mix Hydroponic Nutrient Solution: Step-by-Step

How to Mix Hydroponic Nutrient Solution: Step-by-Step

Exact grams per gallon and litre, the right mixing order, A and B stock tanks, and when to top up or replace your nutrient solution.

Continue Reading
link to Leggy Seedlings: Causes and How to Fix Them

Leggy Seedlings: Causes and How to Fix Them

Why seedlings stretch, how close the light should be, and 7 steps to rescue leggy seedlings, from brushing to burying tomato stems.

Continue Reading
link to Hydroponic Tower Garden: What Grows Well and What Doesn’t

Hydroponic Tower Garden: What Grows Well and What Doesn’t

Which crops thrive in a hydroponic tower, which don't, and how light, one shared reservoir and the pump shape what you can grow.

Continue Reading
link to How to Raise pH in Hydroponics Without Overshooting

How to Raise pH in Hydroponics Without Overshooting

Which pH Up to use, how to dose in small steps, where to stop for each crop, and how to stop hydroponic pH from dropping again.

Continue Reading
link to Ebb and Flow Hydroponics: Flood Timing and Media

Ebb and Flow Hydroponics: Flood Timing and Media

How ebb and flow (flood and drain) hydroponics works, how often and how long to flood, which media to use, and how to avoid algae and salt build-up.

Continue Reading
« PREV Page 1 … Page 8 Page 9 Page 10 Page 11 Page 12 NEXT »

About Indoor Harvest Lab

Practical, science-based guides to growing food indoors, written by an agricultural scientist and grounded in university extension research and peer-reviewed studies.

Recent Posts

  • Seed Starting Mix Recipe: How to Make a DIY Mix That Actually Works
  • PPFD Chart for Indoor Crops: Light Targets for Seedlings, Greens, Herbs and Tomatoes
  • Microgreens in Winter: How to Keep Trays Growing Fast in a Cold House
  • Growing Wheatgrass at Home: How to Soak, Sow and Harvest in 7–10 Days
  • Microgreens Yield per Tray: Realistic Numbers for 14 Crops (and How to Raise Yours)

Recent Comments

No comments to show.

Archives

  • November 2026
  • October 2026
  • September 2026

Categories

  • Fruiting Crops Indoors
  • Germination
  • Getting Started
  • Grow Lights
  • Grow Lights for Seedlings
  • Growing Guides
  • Herbs
  • Kits
  • Leafy Greens
  • Leggy & Weak Seedlings
  • Meters
  • Microgreens & Sprouts
  • Nutrients & pH/EC
  • Problems
  • Problems & Fixes
  • Systems
  • Transplanting
  • Varieties
  • About
  • Contact
  • Editorial Policy
  • Privacy Policy
  • Terms of Use
  • Affiliate Disclosure
  • Sitemap
© 2026 Indoor Harvest Lab. All rights reserved.