Q&A's
How does specific gravity (S.G) change within the aquarium?
At any point where the salt-water interfaces with air, constant evaporation is taking place. However, only water molecules evaporate leaving the various salts behind to form an increasingly dense solution. It is essential, therefore, that top-up water must be freshwater (of appropriate quality) to redress the balance. You have just read another great aquarium blog…
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