This single-file solution provides a comprehensive, professional-grade Aquarium Flow calculator and visualizer. It is built using pure Vanilla JS, CSS3, and standard HTML5 features. ```html Free Aquarium Wave Maker Flow Rate & GPH Calculator

Flow Rate & GPH Calculator

Volume: 0 gal

Total Flow: 0 GPH

Tank Dimensions

L (in)

W (in)

H (in)

Aquarium Type

Target Flow: 0 GPH

Pump Inventory

Placement Visualizer

Click on grid to place pump