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Reef Aquarium Water Parameters by Randy Holmes-Farley

Nitrate in the Reef Aquarium

Calcium (Ca)

Recommended Target Levels
Liveaquaria.com
-Suggested Reef Aquarium 350 - 450ppm
-Suggested FOWLR Aquarium 350 - 450ppm
-Natural Reef 380 - 420ppm

3reef.com Users
<360ppm 0%
360-400ppm 0%
400-420ppm 27.78%
420-460ppm 66.67%
>460ppm 5.56%

Conclusion : Target 420-460ppm


Parameter Measurement Options
1) Test Kits
2) Calcium Monitors...

Well it's been a long time since I've added anything to my blog. We went through a terrible spell of GHA, and all of our fish were dying. For a while, we thought we might just give up the hobby. Instead, we took everything out of the tank & scrubbed it in salt water, cleaned the sand & picked off any visible GHA. It's been up and running again for about 4 weeks. Have some algae, but nothing too bad. Bought a yellow watchman goby & he's doing fine. We are tempted to just put one more...

I have had my green star polyps for about 2.5 weeks and have only seen a little bit of the colony open and now its been closed for the last 2 weeks should i be worried

Specific Gravity (SG)

Recommended Target Levels
Liveaquaria.com
-Suggested Reef Aquarium 1.023 - 1.025
-Suggested FOWLR Aquarium 1.020 - 1.025
-Natural Reef 1.025

3reef.com Users
6.5% 1.022-1.023
64.5% 1.024-1.025
29% 1.026

Conclusion : Target 1.025

Parameter Measurement Options
1) Refractometers
2) Hydrometers
3) Conductivity Probes

Refractometers...