Reefology ATO: Using Float Valves for Auto Top Off

[Reef Builders]

After you’ve learned how to mix proper seawater for your marine/reef/saltwater aquarium, the next most important concept to understand is the management of evaporation, and the automatic replenishment of water lost to evaporation. Whether you have a nano aquarium with a simple hang on the back filter, a medium sized tank with a built-in all…
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