🐟 Fish Pond Feeding and Dissolved Oxygen at Dawn — 2D Pond Cross-Section

2D Canvas companion of the fish-pond dissolved-oxygen lab: pond cross-section coloured by oxygen, three-day oxygen curve, source and sink budget, fish and feed balance and a feeding-rate sweep from the same model as the 3D scene.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install