Water Question

Discussion in 'Water Chemistry' started by Lionking, Dec 17, 2004.

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  1. Lionking

    Lionking Astrea Snail

    Joined:
    Nov 13, 2004
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    Location:
    Guelph, ON,Ontario
    I understand that when you simply top up your system you should use freshwater only as the salinty in the tank stays the same but what about when you do your water changes, I assume you would use saltwater than right?

    thanks
     
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  3. amcarrig

    amcarrig Super Moderator Staff Member

    Joined:
    Aug 4, 2004
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    Location:
    CT
    Actually, you top off with freshwater because the salinity level in your tank goes up as water evaporates.

    And yes, you should use salt water (with the same specific gravity as your tank water) when you do water changes.