W/C's and drop in SG - Canreef Aquatics Bulletin Board

09-06-2007, 07:33 AM

Pescador

Member

Join Date: Apr 2002

Location: Calgary, McKenzie Towne

Posts: 447

A water change is different from topping up evaporation.
Top-up with fresh water because salt doesn't evaporate but water changes are done with pre-made salt water at the right SG and temperature.
You drain a % from the tank and add the same amount of new water.
Try to make any SG changes gradually.

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Brian
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220g inwall 48"x36"x30"
110g mangrove refug/sump
Poison Dart Frog Vivarium

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