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Supposedly high GH does impede the absorption of nutrients. I blame my high GH as well! LOL
Does the GH of the water affect plants? Can I blame the failure of my HC growth on the hardness of the water? Hehehe
Supposedly high GH does impede the absorption of nutrients. I blame my high GH as well! LOL
GH measures the amount of Calcium and Magnesium in water.
Calcium and Magnesium are essential minerals for plants (and for all the animals too).
Just as an example, Calcium is used for building the plant structure (cell walls), Magnesium is the core of Chlorophyll.
So all plants require that Calcium and Magnesium values don't go too low.
Around 15mg/l Ca and 5mg/l Mg are really the minimum below which big problems with rapidly growing plants may be seen.
This means around 3 degrees of Total Hardness as measured by German degrees (3°dH)
In general we may say that around 40mg/l Ca and 10-15mg/l Mg would be optimum for almost every plant.
This means around 8-9 degrees of Total Hardness as measured by German degrees (8-9°dH)
Regards,
Fabrizio
Well, I happen to stumble across the subject in one of the ADA books and according to Amano, the hardness of the water does affect the plants growth. Especially if you have the Iwagumi style with lots to rocks inside.
how to increase the hardness of the water?
Hello Nicken,
there are many products on the market (powdered salts),
produced by Seachem, JBL, Sera etc.
Just follow their instructions and test regularly
Kind regards,
Fabrizio
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