Water hardness variability

[gwand]

I have well water. When I bought my Anomalochromis thomasi a year ago the well water had a GH of 175 ppm, upper limits for this species. I tracked my GH over the course of a year. The GH ranged from 175 ppm to 250 ppm. Do you think this variation poses a threat to my butterfly cichlids? These fish have spawn three times over the course of the year. They seem to like the water.

 

[Back in the fold]

The range in water chemistry is probably seasonal with it being lower PPM in the spring and summer . There’s probably no way for you to know where your well originates but that aquifer starts someplace . If in the course of an entire year they’ve spawned and been healthy then don’t worry .

 

[TwoTankAmin]

I have well water. I have mesured it as low as TDS 53 ppm and as high as about 115 ppm. The pH has ranged from about 6.6 to 7.4 as well. In my case is is not so much seasonal as dependent on rainfall. The numbers rise as things go into drought conditions and they go down when there are heavy rains for and extended period.

I have not seen any ill effects in terms of my fish. The fluctuations are somewhat gradual even thought there are two clear extremes. By tis I meen they take a few weeks for the change to be fully realized.