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First Rays LLC
First Rays LLC

Using Science & Logic to Advance Orchid Growing

Supporting hobby-, institutional-, and commercial growers since 1994.
  • Shop
  • Cart
  • Cultural Information
    • Orchid Growing Basics
    • Growing Conditions
    • Plant Nutrition
    • Water & Irrigation
    • Potting, Mounting, & Displaying
    • Pests & Ailments
    • Semi-Hydroponics™
    • Miscellaneous
  • Newsletter
  • AOS Vouchers
    • Obtain your AOS Voucher
    • Redeem your AOS Voucher
First Rays LLC
First Rays LLC

Using Science & Logic to Advance Orchid Growing

Measurement, Handling, & Application

Free Cultural InformationPlant NutritionMeasurement, Handling, & Application

If you really want to manage your plant feeding regimen, it’s important to truly understand how much nutrition you’re providing.

  • Fertilizers
    • Super-Simple Orchid Feeding
    • Primer on Plant Nutrition
    • Fertilizer Basics
    • “Bloom Booster” Fertilizers
    • How Important is Fertilizer?
    • Slow Release Fertilizer
    • Fertilizer Stability in Storage
    • pH & Nutrient Availability
    • Orchids and pH
    • Fertilizers and pH
    • More on Fertilizer Solution pH
    • How Much Do I Feed My Orchids?
    • K-Lite Orchid / Epiphyte Fertilizer
    • The Origin of K-Lite Fertilizer
    • It’s Time for Food!
    • Fertilizer Use by Brand
    • Must I Supplement Calcium & Magnesium?
    • Magnesium Supplementation
    • Epsom Salts and Electrical Conductivity (EC)
    • Do-It-Yourself K-Lite
    • “K-Lite Knock-Off” Calculator
    • AOS “What do Orchids Eat” Article
  • Fertilizer Additives
    • “Magic” Additives
    • Plant Growth Stimulants
    • Rooting Hormones
    • Comparing Seaweed Extracts
    • Rethinking Biostimulant Application
    • Kelpak Premium Biostimulant
    • How Does Kelpak Work?
    • Why Should I Use Kelpak?
    • Why Do I Push Kelpak?
    • Using Kelpak Wisely
    • KelpMax = Kelpak
    • Multiply Your Plants
    • Plant Growth Stimulants IPA 3Q2014
    • Issues with Root Growth Stimulants
    • What do Plant Probiotics Do?
    • Comparing Plant Probiotics
  • Measurement, Handling, & Application
    • Nutrient Uptake Rate
    • Instantaneous Nutrient Capture
    • How to Feed Your Plants
    • Feeding by Mass
    • Plant Feeding Regimen
    • Fertilizer PPM Calculator
    • The Ideal Fertilizer Concentration
    • How to Blend Fertilizers
    • Nitrogen Management Calculator
    • Simplified Fertilizer Dosing Guide
    • Fertilizer Use by Brand
    • Slow Release Fertilizer
    • Simple Fertilizer Mixing Calculator
    • Measuring Powders & Liquids
    • Dealing with Fertilizer Powders
    • Making a Fertilizer Concentrate
    • Fertilizer Stability in Storage
    • Simple Fertilizer Dispenser
    • Using a Siphon Proportioner
    • Selecting and Using a Metering Pump
    • Slow-Release Fertilizer Use Calculator
    • Do Not Trust Your TDS Meter
    • TDS & EC
    • Electrical Conductivity Meters
    • Simple TDS Meter Calibration
  • A Regimen for Growing Excellent Plants
  • “Optimal Growth” Customer Feedback
  • The Benefit of the “First Rays Regimen”
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