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1-8 of 8 Results
  1. Marine Depot
    How to Control Phosphate Using Hanna Phosphate Checkers and GFO Media PLUS: New gear from GHL, Eheim, Coral Essentials, and Brightwell Aquatics!
  2. Marine Depot
    Hanna Checkers and ESV B-Ionic Giveaway - 24 HOURS ONLY We are having a giveaway on Facebook today 3/7/19 and will choose 1 winner tomorrow 3/8/19. There is no purchase necessary to enter or win. You must be a U.S. resident age 18 or older to participate. ENTER NOW >
  3. Marine Depot
    How to Use Hanna Checkers to Dial In Your 2-Part Dosing Regimen VIDEO: A beginner's guide to maintaining calcium & alkalinity
  4. Marine Depot
    Buy a Hanna Checker, Earn 10% Back! Get 10x Reward Points on Hanna for a Limited Time!
  5. Marine Depot
    25% off Hanna Checkers: Alkalinity (dKH) and Phosphate Hanna Checkers make testing your water super easy. They are seldom on sale, so today's deals are a real treat! Save $12.25 per Checker! PLUS... 20% off Maxspect 15% off Neptune Systems WAV Pumps 20% off Vertex Omega Protein Skimmers 15%...
  6. Marine Depot
    Last Minute Gift Ideas & Stocking Stuffers Sale ends 1/4/15 There is still time to get your order by Christmas! We are also offering 10% off all filter media until midnight Monday with coupon MEDIA. Stock up and save!
  7. Reefing Equipment
    I have been trying to use phosphate Hanna checker and I would like to share my experience. Generally I dislike it a lot ! You are supposed to pour the powder from this paper pouch into this glass vial filled with the tank water and mix it within 30 seconds, otherwise the checker shuts down to...
  8. General Reef Discussion
    Just received my Phosphate checker and its pretty easy to use. Seems to give correct results. My tank 0.00 phosphate run 2 tests. after that I added some phyto to see if it finds some phosphates and it showed 1.57 ppm so I guess it works.
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