Optimal Hydroponic pH and EC/PPM: Essential Tips for Beginners
6:08
Unraveling Nutrient Deficiencies: A Beginner's Walkthrough
15:56
Measuring PH and EC Levels - Nutrient Basics for Dummies! - Indoor Hydroponics
22:08
What are pH, EC, TDS, and PPM and How Are They Connected?
5:44
How to use a TDS/EC meter, and how to convert
17:09
Making hydroponic solutions
13:16
How to Adjust Hydroponic Nutrients for Beginners
16:20
How to Grow Kratky Hydroponic Lettuce Cheap & Easy
14:59