Raising KH and GH (mostly GH)

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jlbfish

Aquarium Advice FINatic
Joined
Feb 21, 2012
Messages
806
Location
Texas
I have a water softener.

Inside water is softened outside water is hard.

Inside water (in tank) reads at a pH 8.3 GH 53.7 (after adding Equilibrium) and KH 8

Outside water is pH 8.0 (after sitting for 24 hrs no agitation), GH 179 and a KH of 10

My new mystery snails haven't done well. One is dead and gone and the other isn't looking great.

There are 6 Danios in the tank. I want to switch to the outside water with a higher GH for the snails.

Does this need to be done gradually? Or can I just switch out in 5 gallon water changes every couple of days? Or 50% in one day? and another 50% 2 days later?

Are they sensitive to changes in KH or GH?

Thanks!
Jana
 

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