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  • Quick Reference / Conversions

    by First Hydro
    Container Capacities Common Size Conversion Temperature Conversion Beneficial Insects Destructive Insects, Mites Definitions &...

  • Lighting Done Right

    by First Hydro
    Hawthorne Gardening Company takes the role of “leader” in horticultural lighting very seriously. We make every effort to deliver what we believe ...

  • DIY Hydroponics

    by First Hydro
    Flo-n-Gro® Gro Momma Bubbler Bucket Can be used singly or in multiples daisy-chained together. A simple system that expands easily, making fill...

  • Hydro 101

    by First Hydro
    A 8 Step Guide to Successful Indoor Hydro Gardening hy•dro•pon•ics noun: the science of growing or the production of plants in nutrient rich sol...

  • Ideal Air Glossary of Terms

    by First Hydro
    AHAM - Acronym for Association of Home Appliance Manufacturers.  AHAM produces the official rating for dehumidifiers. BTU - British Thermal Unit. ...

  • Certification Marks - What do they mean?

    by First Hydro
    Hawthorne Gardening Company is committed to safety by investing in our own Satellite Laboratory. This Level 4 (the highest level on a 1 to 4 sc...

  • Indoor Soil Gardening 101

    by First Hydro
    Guide to Successful Indoor Organic Gardening Choose a Potting Mix Potting Mixes are typically peat-based mixes with perlite and other materials t...

  • Frequently Asked Questions

    by First Hydro
    Frequently Asked Questions about indoor growing

  • The NPK's of Growing

    by First Hydro
    (N) NITROGEN Nitrogen is essential for plant growth. Nitrogen is a part of every living cell. The two forms of nitrogen which plants take up are i...