# Pond Calculators

Here's a pond calculator that will help you estimate your pond's gallon volume, acre feet, and surface area in acres. This information can be essential when a pond owner is trying to figure out the dosage requirements for their pond and application.

For instance if treating with our BioSphere Pro products or in virtually any small pond application you will want to go by gallon volume.

When treating with our PondBioix10 formula you would want to dose by acre-feet, and with our PondBiotixME pellets you simply work by square footage which can be figured by multiplying the length and width of the pond.
*(note: each square acre of pond surface is 210x210 feet.) *

## Calculate Your Pond's Fish Load Capacity

Every small pond will have a limit of how many fish it can contain before water quality or fish health declines. Here's a calculator to help you determine how many fish your pond can hold for it's size. Keep in mind that these are simply estimates and the total effective carrying capacity of any pond will also be affected by the size and quality of your filtration system and other factors*.

To calculate the gallons your pond holds please use this calculator.

*Goldfish produce less waste then Koi fish so a good rule of thumb for goldfish is 5" of fish for every 100 gallons of water. Koi fish produce more waste then goldfish so a good rule of thumb for Koi fish is 3" of fish for every 100 gallons of water. Your pond may vary.