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How do you use a TDS Meter

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Old 02-11-2009, 03:26 AM
korney korney is offline
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Join Date: Feb 2009
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Default How do you use a TDS Meter

How do you use a TDS Meter in regards to fertilizer solutions for non-hydroponics? I bought a $20 Hanna TDS & the directions are more specs than instructions; what should I look for, readings, etc. I want to water/fertilize seedlings in soil-less mix which obviously lacks nutrients with 3-2-2 liquid fish solution & maxicrop 1-0-4 seaweed mix. Seed;ings aren't big enough for transplanting [outdoors] yet, most 2-3" tall. Mostly veggies like tomato & peppers & cauli. Thanks. korney19@adelphia.net

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Old 02-11-2009, 03:27 AM
Ron Ron is offline
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Join Date: Jan 2009
Posts: 1,285

TDS ( total dissolved solids ) means just that. Even though your TDS reads OK for the maturity of the plant you are growing it does not tell you if the combination of ingredients are correct. That is why you change your solution every two weeks because there is no way of telling how off you are with only a TDS meter.

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