UD5 Toolkit
Aquarium Volume Calculator – Gallons & Liters for Any Shape
Calculate the water volume of rectangular, bow front, and cylindrical aquariums. Essential for dosing water conditioners, medications, and determining stocking levels.
Tag: Aquarium Water Chemistry & Stocking
15+ toolsDrip Acclimation Calculator – Online Flow Rate & Time
Calculate how many drips per second to acclimate fish over a set period based on bag and tank volume.
Planted Tank Photoperiod Calculator – Prevent Algae
Based on your light intensity and CO2 level, get the recommended maximum hours of light per day to grow plants without an algae bloom.
GH & KH Hardness Ratio Calculator for Shrimp Tanks
Maintain the ideal calcium:magnesium balance for shrimp. Input your GH and KH to see the ratio and dosing recommendations for remineralizers.
Aquarium Algae Identifier – Green Water, Hair, BBA & More
Compare your tank's algae to photos of common types. Get the cause (light, nutrients) and recommended removal or livestock solutions.
Aquarium Snail Infestation Scale – Count & Control
Estimate how many pest snails are in your tank from a quick count. Get tips on manual removal, traps, and introducing assassin snails.
Aquarium Volume Calculator - Online Rectangular & Bow Front Tank
Calculate water volume for rectangular, bow-front, and cylindrical tanks. Also computes weight of water. Supports inches/cm. Useful for dosing treatments.
Aquarium Heater Size Calculator - Online Wattage Recommendation
Find the right heater wattage for your fish tank based on volume and desired temperature rise. Simple rule-of-thumb calculator. Local only.
Fish Quarantine Countdown – Online New Arrival Observation
Set a date when a new fish arrives and get a daily checklist for observation. Countdown to safe introduction.
Aquarium Fishless Cycle Ammonia Calculator – Online Dose
Calculate how much pure ammonia to add to reach 4ppm for a fishless cycle. Safe start guide.
Aquarium Additive Doser – Online ml per Gallon Calculator
Enter tank volume and recommended dose to find exact ml or capfuls needed. Avoid overdosing fish.
Aquarium Bioload Calculator – Online Stocking Level Indicator
Add fish species and sizes to estimate the bioload and check if your tank is overstocked. Inch‑per‑gallon model.
Planted Aquarium CO2 Estimator – Online pH, KH, and CO2 PPM
Use the pH and KH relationship to estimate dissolved CO2 concentration in your planted tank. Reach 30ppm safely for lush plant growth.
Aquarium Water Change Calculator - Online Safe Volume Replacement
Calculate how much water to change weekly to keep nitrates under control. Based on current nitrate level, desired level, and tank volume.
Aquarium pH/GH/KH Adjustment Calculator – Online Dosing Tool
Calculate how much acid, alkaline buffer, or remineralizer to add to reach target water parameters.