IF YOU DO NOT UNDERSTAND HOW TO USE THE TEST KIT, FIRST FILL EXACTLY 1 LITER OF REVERSE OSMOSIS WATER OR DISTILLED WATER AND PUT THE BOTTLE INTO A CLEAN CONTAINER. THEN ADD 1 DROP OF IRON REFERENCE FROM THE SMALL BROWN BOTTLE INTO THE WATER AND MIX IT. THOROUGHLY CLEAN THE PLASTIC DRIVER OF ALL IRON ADDITIVES. ADD 1 LIGHT SCOOP IRON1 FROM THE PLASTIC JAR INTO ONE OF THE CURVES IN THE SUPPLIED TEST CUP. NOW FILL THE DRIPPER FROM THE 1L JELLY TO THE BOTTOM OF THE DRIVER TANK WITH WATER AND ADD THE POWDER IN THE TEST CUP. USE THE HANDLE OF A PLASTIC SPOON TO MIX AND WAIT FOR A FEW MINUTES UNTIL THE COLOR IS DARK. THIS COLOR SHOULD MATCH AS A REFERENCE 0.4 IN THE RECOMMENDED COLOR CHART. DO THIS NOW WITH YOUR AQUARIUM WATER IN ONE OF THE OTHER TEST STRIPS AND COMPARE THE COLORS WITH THE REFERENCE WATER AND THE COLOR CHART. IF YOUR AQUARIUM IS CLEAR AND NOT PURPLE, ADD A CAN OF FLOURISH IRON SUPPLEMENT AND CHECK AGAIN.
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