Gardening Guides

Soil and Gardening Guides

Welcome to the Gardening Guides Hub

Explore our master collection of deep-dive tutorials covering soil chemistry, organic composting, raised bed construction, and plant nutrition to maximize your harvest yields.

🌱 Soil & Substrate Guides
Soil Fertilizer Timing Guide |
Raised Bed Construction |
Mulch & Substrate Mastery |
Expert Composting Tips

📖 System Planning & Plant Growth
Seed Germination Science |
Tracking Plant Growth |
Reservoir Capacity Rules |
Using the Metric System

🧮 Interactive Soil Calculators
Stop guessing your soil amendments. Use our free interactive tools!

Soil Fertilizer Calc |
Mulch Layer Calc |
Seed Germination Timer

  • How to Clean and Reuse Clay Pebbles (LECA): Complete Guide

    Home > Hydroponics > How to Clean and Reuse Clay Pebbles (LECA): Complete Guide Last Reviewed: August 25, 2026  |  Author: Faisal Habib  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Beginner Friendly | Cleaning Time: 2–4 hours | Lifespan: 5–10+ Years (Indefinite) | Sanitizer: 3% Household H2O2 | Target Leachate EC: <0.1 mS/cm ⚡ Quick Answer: How to Clean and Reuse Clay Pebbles Clean clay pebbles by sifting out dead root debris, soaking in 3% household hydrogen peroxide for 2 to 4 hours to eliminate pathogens, descaling mineral crusts in a pH 5.0 water bath for 1 hour, and rinsing with clean…

  • How to Build a DIY Ebb and Flow System from Scratch: Step-by-Step Plans

    Home > Hydroponics > How to Build a DIY Ebb and Flow System from Scratch: Step-by-Step Plans Last Reviewed: August 2026  |  Author: Faisal Habib  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Intermediate DIY | Fabrication Time: 2 to 4 Hours | Estimated Material Cost: $60 to $120 | System Capacity: 6–12 Plant Sites ⚡ Quick Answer: Building a DIY Ebb & Flow System To construct a reliable diy ebb and flow system, stack a shallow 6 to 8-inch upper flood tote over a 20-gallon opaque lower reservoir. Install a 1/2-inch active inlet bulkhead connected to a 250–400 GPH submersible pump, alongside…

  • How to Increase Hydroponic Tomato Yield (Expert Guide)

    Home > Hydroponics > How to Increase Hydroponic Tomato Yield (Expert Guide) Last Reviewed: August 26, 2026  |  Author: Faisal Habib  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Advanced Agronomy | Target Metric: 40–50 lbs/Vine | Generative EC: 2.8–3.5 mS/cm | pH: 5.8–6.2 | DLI: 28–32 mol/m²/day ⚡ Quick Answer: How to Increase Hydroponic Tomato Yield? To increase hydroponic tomato yields to 40–50 lbs per plant, implement single-leader high-wire trellising, steer generative nutrient EC to 2.8–3.5 mS/cm, thin fruit trusses to 4–5 uniform fruits, and maintain 28–32 mol/m²/day DLI with daily vibration pollination. 📊 Master Hydroponic Tomato Yield Optimization Specs Target Commercial…

  • How to Grow Hydroponic Microgreens Indoors: Fast 10-Day Harvest Guide

    Home > Hydroponics > How to Grow Hydroponic Microgreens Indoors: Fast 10-Day Harvest Guide Last Reviewed: August 2026  |  Author: Wara Danish, MSc Plant Biology  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Faisal Habib, CEA Systems Specialist Difficulty: Beginner | Harvest Window: 8–14 Days | Target DLI: 8–12 mol/m²/day | pH Range: 5.8–6.2 ⚡ Quick Answer: Hydroponic Microgreens Protocol To master growing microgreens hydroponically, sow non-GMO seeds densely across a saturated hemp or wood fiber mat in a 1020 tray. Stack with a 5 lb weight in blackout for 2 to 4 days to anchor root hairs, then transfer under 120–180 µmol/m²/s LED light and bottom-water with pH…

  • Algae in Hydroponics: The Complete Prevention & Treatment Guide

    Home > Hydroponics > Algae in Hydroponics: The Complete Prevention & Treatment Guide Last Reviewed: August 2026  |  Author: Faisal Habib  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Beginner | Prevention Setup: 30 Minutes | Full System Reset: 2 Hours | Estimated Cost: $15 to $40 ⚡ Quick Answer: Eliminating Algae in Hydroponics Eliminating algae in hydroponics requires breaking the light, nutrient, and temperature combination. Block 100% of light from the root zone using opaque black containers and white-on-black panda film, keep your water temperature between 65°F and 68°F (18°C–20°C), and choose either a sterile chemical program using 34% food-grade hydrogen peroxide…

  • Ebb and Flow Hydroponics: The Complete Guide

    Home > Hydroponics > Ebb and Flow Hydroponics: The Complete Guide Last Reviewed: August 2026  |  Author: Wara Danish, MSc Plant Biology  |  Fact-Checked: Lab and Field Verified  |  Expert Reviewer: Faisal Habib, CEA Facility Design Consultant Difficulty: Intermediate | Setup Time: 2 to 4 Hours | Estimated Cost: $60 to $250 | System Type: Active Flood & Drain ⚡ Quick Answer: Ebb and Flow Fundamentals An ebb and flow hydroponic system (flood and drain) pumps mineral nutrient solution from a lower reservoir to an upper tray, soaking the roots, and then drains it back down by gravity. Run 10 to 15-minute flood cycles, repeating 4 to 8 times daily…

  • How to Grow Spinach Hydroponically at Home (Complete Guide)

    Home > Hydroponics > How to Grow Spinach Hydroponically at Home (Complete Guide) Home > Hydroponics > How to Grow Spinach Hydroponically at Home Last Reviewed: August 2026  |  Author: Faisal Habib, Hydroponic Systems Specialist  |  Fact-Checked: Horticultural & Germination Accuracy Verified  |  Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Intermediate (Germination Sensitive) | Seed to First Harvest: 25–42 Days | Estimated Cost: $40 to $75 ⚡ Quick Answer: Grow hydroponic spinach at 60°F to 65°F water temperature with an EC of 1.4 to 1.8 mS/cm and pH 5.5 to 6.0. Use NFT or DWC systems with 12-hour lighting (12–14 mol DLI) to harvest crisp leaves in 35 to…

  • Soil Fertilizer Timing Guide: When to Apply NPK, Top-Dress, and Fix Deficiencies

    Home > Gardening Guides > Soil Fertilizer Timing Guide: When to Apply NPK, Top-Dress, and Fix Deficiencies When to apply NPK, how often to top-dress compost, and how to read plant deficiency signs before your crops suffer Key Takeaways Quick Answer: Error generating content. Apply a balanced NPK fertilizer (10-10-10) 2 weeks before planting and again every 4–6 weeks during the active growing season — not at every watering. Top-dressing with 1 inch of compost every 6 weeks replenishes organic matter and adds slow-release nitrogen equivalent to roughly 0.5 lbs of 10-0-0 fertilizer per 10 sq ft. Nitrogen deficiency shows as yellowing that starts on the oldest (lowest) leaves and…

  • Raised Bed Gardening Guide: How to Build, Fill & Manage Your Beds

    Home > Gardening Guides > Raised Bed Gardening Guide: How to Build, Fill & Manage Your Beds Building, filling, and managing raised beds for year-round vegetable production Insights Most Growers Overlook Embrace the Power of Deep Roots: While many focus on surface crops, incorporating deep-rooted vegetables (like carrots, parsnips, or even daikon radishes) can naturally break up compacted layers, improve soil structure, and bring up nutrients from deeper within your raised bed, benefitting subsequent crops. Strategically Use Living Mulches/Groundcovers: Instead of bare soil, plant beneficial living mulches or low-growing groundcovers between your primary crops. This helps suppress weeds, retain moisture, regulate soil temperature, and some can even fix nitrogen or…

  • Composting Tips: How to Turn Kitchen & Garden Waste Into Black Gold

    Home > Gardening Guides > Composting Tips: How to Turn Kitchen & Garden Waste Into Black Gold Quick Answer: The most important composting tip is to maintain a carbon to nitrogen ratio of 30:1 by dry weight, combined with 50% moisture and regular turning every 3 to 5 days. A properly built pile measuring at least 3x3x3 feet will reach 130 to 160 degrees Fahrenheit within 4 days and produce finished compost in as little as 6 to 8 weeks. What Most Guides Miss (And What You Will Learn Here) Why the 30:1 carbon to nitrogen ratio is a hard biological requirement, not a suggestion, and exactly how to hit…