Aquarium Calculators
Here you will find a growing list of formulas that will come in handy from time to time. If you would like to see a particular formula added, let us know.
You can download an Aquarium Calculations Spreadsheet with more features than supplied here in Excel Format, or in Open Office format.
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If you have problems with the spreadsheet post them here. the online calculators can be found further down.
Click here for answers to ordering problems, shipping rates and times, and more.
Orders placed today will ship Wednesday, May 22nd. Later dates available by request.
Use the code "5off" to receive $5 off any purchase made today over $30. (Rock orders excluded)
By Default, our packages will ship "Deliver to Customer or Door". If you would like the signature requirement expressly waived, please let us know by leaving a note in the comments field, found immediately before the "Confirm Order" button during checkout. In any event, always keep an eye out for the package on delivery day. Packages are often left in mailboxes, even when they should be brought to the door. Please do not let it sit outside for hours or days if there are live animals inside. Thank you!
Items marked with a * cannot be shipped via Priority Mail.
Tank Volume (in Gallons)
Standard Amount of Rock
Sandbed Depth Calculator
Recommended Heater Size (Watts)
Teaspoons to Milliliters
Tablespoons to Milliliters
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