tds

  1. S

    So... I tested my pH and TDS of my water! (NEED HELP⚠️)

    Greetings and Salutations from San Francisco! ☮️ I just got my pH and TDS meters from Amazon and it was finally able to test my water in my home. I have a Brita water filter attached to the faucet so I took separate readings of filtered water and tap water. Here is what I discovered! ️ pH of...
  2. crittertime

    What causes RADICALLY different TDS measurements (ppm) ?

    While measuring TDS of the nutrient mixture and runoff of my 4 plants, I got drastically different results. How can this occur in plants that are on the same feed cycle? Todays watering: in a two gallon watering can, - 1.5 tsp/gal Fox Farm Big Bloom - 1 tsp/gal Fox Farm Tiger Bloom My vivosun...
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