Hanna Instruments Marine Nitrate Low Range Checker (HI781)

Regular price $26.99
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Livestock orders are double-bagged, insulated, and shipped with a heat or ice pack based on your destination's weather, so your fish and coral arrive healthy and ready for your tank.

Free shipping over $299
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Hanna Marine Nitrate Low Range Checker (HI781-25)

The Hanna Marine Nitrate Low Range Checker (HI781-25)is a digital colorimeter designed to accurately measure low nitrate levels in saltwater aquariums. It provides fast, precise digital readings without the guesswork of traditional color comparison tests, making it ideal for reef hobbyists maintaining ultra-low nutrient systems.

Features:

  • Digital nitrate testing for saltwater and reef aquariums
  • Measurement range: 0.00–5.00 ppm (NO₃⁻)
  • Resolution: 0.01 ppm
  • Accuracy: ±0.25 ppm ±2% of reading
  • Easy-to-read LCD display with one-button operation
  • Compact, handheld design for quick and convenient testing
  • Includes starter reagents for 10 tests
  • Helps maintain optimal nitrate levels to support healthy coral coloration, growth, and overall reef stability while minimizing nuisance algae.

All livestock ships via FedEx Priority Overnight, double-bagged and temperature-protected with a heat or ice pack as needed for your destination.

Florida orders under $299 ship for $25; out-of-state orders under $299 ship for $40. Orders over $299 ship free. We don't currently ship to Alaska, Hawaii, Puerto Rico, or outside the continental U.S.

Free in-store pickup is always available — contact us for details.

If your coral arrives dead on arrival (DOA), report it within 2 hours of the delivery time shown on your FedEx tracking — email a clear photo to info@strictlyfishmiami.com and we'll issue a store credit for the purchase price of the livestock.

See our full Refund Policy for details.