Also in NYC and just started using crushed coral which raised the kh, gh, and ph. My ph went from 6.2 to around 6.8 in a couple of weeks. Wonders shell raised my gh too much. Didn't know anything about soft water until some guppy fries came out deformed.
DIY methods for raising GH and KH?
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Also in NYC and just started using crushed coral which raised the kh, gh, and ph. My ph went from 6.2 to around 6.8 in a couple of weeks. Wonders shell raised my gh too much. Didn't know anything about soft water until some guppy fries came out deformed.