What GH is too high?

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Savethemall

Candiru
MFK Member
Oct 13, 2017
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Hi ,theres a place where the tap water are very high in gh, around 500ppm and theres an African cichlid tank there . Do you think this is too high for Malawi's?
 
duanes duanes
 
The GH of Lake Malawi is normally high around 300 ppm. A tap water of 500 ppm should not be problematic for a rift lake tank.
GH can be measured a number of ways, so interpreting it properly is important.
Where I live in Panama (Central America, GH and KH fluctuate seasonally, and get quite high, the test strip is on the right
IMG_4813.jpeg
Just an observation, the 500 ppm GH would "not" do well for a tank of South American, or Amazonian soft water species .
IMG_3417.jpeg
 
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