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Grow Answers

Specific hydroponic questions. Direct answers. Useful explanation.

New to DWC?

Start here.

Build the fundamentals in this order, then jump into whatever your grow needs next.

  1. 01What’s the best pH for cannabis in DWC?5.8
  2. 02What’s the difference between EC and PPM, and which one should you use?Use EC.
  3. 03What EC should I use for cannabis seedlings?0.5 EC
  4. 04What is the best water temperature for hydroponic cannabis?67°F
  5. 05How often should you change DWC water?7–14 days

What is the best water temperature for hydroponic cannabis?

67°F View answer →

What’s the difference between EC and PPM, and which one should you use?

Use EC. View answer →