Hydroponics pH Up Solution, 250mL Density_Density Sets the cubic geometry varying refraction

the cubic geometry varying refraction angles compared to triangular prisms for Snell's law and TIR demos

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

and vacuum filtration applications

the diverging curvature paired with low mass for ray-box mounts and lightweight optics setups

Hydroponics pH Up Solution, 250mL Density_Density Sets the cubic geometry varying refractionPlant safe pH Up solution at 250mL, the alkaline counterpart to the pH Down product for raising hydroponic medium pH back into the root uptake range without harming the growing plants.