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Discuss water requirements, "soil" (growing media) and suitable planting containers

Moderator: Matt

By fadfffs
Posts:  10
Joined:  Tue Oct 01, 2019 7:46 pm
I noticed some of my plants weren't growing well so I got a TDS meter to test my water.

The "distilled" water from my local grocery store reads as 170ppm.
My tap water came up as about 67ppm.
Water from my fridges water dispenser (and the filter inside) has read from between 51 and 56ppm.

I'm a little frustrated since I did lose some sundews and couldn't figure out why, but on the other hand it does make me feel better about some of my plants not doing great since I have someone else to blame :lol: . Seeing my tap water that clean is nice too. I would have liked for it to be just a little tiny bit lower, but the water from my fridge isn't so bad...

Those of us who still purchase distilled water might want to consider investing in a TDS meter. Apparently not every business can be trusted to actually give you what they're claiming to sell you...
Last edited by fadfffs on Tue Oct 08, 2019 8:08 pm, edited 1 time in total.
By fadfffs
Posts:  10
Joined:  Tue Oct 01, 2019 7:46 pm
Nope, it just says distilled water on it. I did test some drinking water from a 5 gallon water cooler (Primo distilled with minerals added for taste) and it measured as 10. I don't want to name this brand just yet since I think I might have another unopened jug at home. I wanted to test that one along with a few other purified or distilled waters to make sure my meter is accurate and that I didn't just get this jug contaminated without realizing it. Going from a (theoretical) 0 to 170 seems like a bit of a jump though...
By fadfffs
Posts:  10
Joined:  Tue Oct 01, 2019 7:46 pm
I tested a different brand of water labeled as distilled and it came back at 0ppm. RO water from the same brand is at 2ppm, so it looks like my meter is accurate.

The spare gallon of this "distilled" water I had was at 162ppm, so I guess whoever is responsible for making this water is doing something they're not supposed to do.

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