Australian Noobie here. Just set up my first tank (Tropical Freshwater). All looking really good but getting high pH, Carbonate, Total Hardness & Total Alkalinity readings. I'm presuming it's the water here.

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This is my nitrate level 6 days after a 25% water change. : r

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This is my nitrate level 6 days after a 25% water change. : r

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