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ADWA BUFFER LIQUID PH 4.01 20 ML

2.00
PH calibration solution available in sachets of 20 ml for fast and accurate calibration.

ADWA BUFFER LIQUID PH 7 20 ML

2.00
PH calibration solution is available in sachets of 20 ml for fast and accurate calibration.

CO2 TABS EXTRA SLOW RELEASE (60 TABS)

11.50
Slowly and gradually releases carbon dioxide. Rounding out the normal fertilization of plants giving as much CO2 they can absorb.