Pay in 4 interest-free payments of $17.25 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Including double suction cup holder
For reef tanks and aquariums with invertebrates the dosage should be adjusted to two daily half treatments of two drops per gallon or 5 ml (1 tsp) per 50 gallons 12 hours apart
8 oz and 16 oz bottle caps are approximately 5 mL volume
Treatment can be repeated once per week
300W - 159-264 Gallons
HI781 Hanna Instruments HI781 Marine Low Range Nitrate Checker HC Handheld Colorimeter additives Including double suction cup holderThe HI781 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer Lambert principle to determine nitrate concentration. The HI781`s low range of 0. 00 5. 00 makes it ideal for measuring the low nitrate levels found in saltwater aquariums. Why are Nitrate levels important? Excess nitrates in a reef system can lead to an overgrowth of undesirable algae and dinoflagellates. Alternatively, not enough
US$ 45.00
US$ 53.00
US$ 55.00
US$ 32.00
US$ 53.00
US$ 299.50
