NT LABS BUFFER KH UP 1.5KG 5KG 20KG INCREASE KOI POND WATER LEVEL STABLE PH BUFF

Koi Care - KH Buffer Up. KH can lead to unstable water quality, a sudden drop in pH and serious illness in fish. NT Labs ‘KH –. KH - Buffer Up. matter uses up the carbonate hardness (KH) that provides this safe and stable pH. If left unchecked, a low.

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