Free Aquarist Tools
Take the guesswork out of aquarium maintenance. Our suite of custom-built calculators is designed specifically for nano tank hobbyists and shrimp keepers to ensure optimal water conditions and safe bioloads.
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Shrimp Stocking Calculator
Calculate the exact maximum bioload and safe starting colony size for your nano tank based on volume, filtration, substrate, and plant density.
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RO Water Remineralizer
Precision dosing calculator for SaltyShrimp and Seachem Equilibrium. Hit exact TDS and GH targets without the trial-and-error.
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Medication Doser
Avoid lethal overdoses by calculating the true net water volume of your tank, factoring in substrate depth and hardscape displacement.
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Nitrate Dilution Calculator
Plan your water changes mathematically. Calculate exactly how much water to change to drop nitrates from dangerous levels to safe targets.
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