Contains refill bottles of each test for quick ordering. Box includes 1 bottle each of: - Total Alkalinity 570 (100 tests). - Calcium Hardness UH (50 tests). - pH-BT (50 tests). - Total Hardness UH (50 tests). - Nitrate (50 tests). - Ammonia (25 tests). - Phosphate (50 tests). - Magnesium (Calc. THU-CAU).
