Gotta shake the second nitrate bottle for 30 seconds before adding.
Then the test water and the 10 drops from each bottle have to be shaken for a minute.
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55 Gallon, DIY Live Rock, 2 Taotronics 130w LEDs, CPR HOB skimmer and refugium, 525 GPH SunSun 5-stage Canister with UV Sterilizer using Chemi-pure Elite, and Two Fishes GFO reactor and 3 800 GPH powerheads. <><
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