UD5 Toolkit
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.
Aquarium & Aquatic Habitats
4+ toolsGH & 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.