Before pouring new water into the tank during a water change, what should you check?

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  1. Its temperature
  2. Its color under a flashlight
  3. Its weight on a scale

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References

  1. Purdue Extension 4-H 447-W: Aquatic Science helper's guide www.extension.purdue.edu/4-H/_docs/4-h-447-w.pdf Checked 2026-10-11.
  2. Texas A&M AgriLife Extension: Gold Rush, A Kid's Guide to Goldfish Care extension.rwfm.tamu.edu/wp-content/uploads/sites/8/2013/10/Goldrush-%E2%80%93-A-Kid%E2%80%99s-guide-To-Goldfish-Care.pdf Checked 2026-10-11.

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