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Water quality and calmag

Hydroponics / Aeroponics
Water quality and calmag
my tap water comes out as around 180ppm on a x500 scale.

On the water companies website all they give me for quality tests are that they claim:
The water is moderately soft with:
40mg/l as calcium
100mg/l as calcium carbonate.

They don’t state how much magnesium.
However if my tap water is 180 and they say 140ppm is calcium should I be using a calmag supplement with this kind of water?

I have gotten some calmag deficiencies late in flower before but thought nothing of it. But I’m starting...

Water quality and calmag

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