Ask a Question forum: Does TDS/PPM matter?

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Name: Brenden Reinhart
Flushing Michigan (Zone 6b)
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bhart90
May 11, 2018 12:43 PM CST
Hi. I mainly grow carnivorous plants and that reading is critical in regards to the plants' well being.

Does it matter for non carnivorous plants?

Thank you

Im about to water(with fertilize) and was curious about the ppm in the fertilized water, wether it matters or not.
Brenden
[Last edited by bhart90 - May 11, 2018 12:45 PM (+)]
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Name: Kyle
Middle TN (Zone 7a)
Region: Tennessee Plant and/or Seed Trader Cat Lover Dog Lover Roses Ferns
Hostas Foliage Fan Bromeliad Heucheras Native Plants and Wildflowers Birds
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quercusnut
May 11, 2018 1:51 PM CST
No. I fertilize all kinds of plants with tap water and well water. Never have paid any attention to TDS.
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
May 11, 2018 7:49 PM CST
It matters for some plants (like orchids) but, you can compensate with your fertilizer regimen.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Name: Will Creed
NYC
Profess plant consultant & educator
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WillC
May 12, 2018 6:34 AM CST
Unless you are a commercial grower or your tap water is unusually high in mineral salts, then TDS and PPM should not matter.

Is your concern for potted plants or plants grown outside in the ground?

How are you measuring PPM?
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Name: Brenden Reinhart
Flushing Michigan (Zone 6b)
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bhart90
May 12, 2018 10:05 AM CST
WillC said:Unless you are a commercial grower or your tap water is unusually high in mineral salts, then TDS and PPM should not matter.

Is your concern for potted plants or plants grown outside in the ground?

How are you measuring PPM?


Potted particularily.

Ppm meter
Brenden
Name: Will Creed
NYC
Profess plant consultant & educator
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WillC
May 13, 2018 11:02 AM CST
Brenden - If you are a hobbyist and growing potted plants, I think you are unnecessarily concerned about the mineral content of the soil. Fertilizer is vastly overrated and overused. For most potted plants, a standard potting mix, and occasional fertilizing with a complete fertilizer is fine. Trying to fine tune beyond that is unlikely to make any difference.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care

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