Foods, Nutrients and Calories
Gravels and Substrates
CaribSea, Freshwater, Super Naturals, Torpedo Beach density is equal to 1505.74 kg/m³ or 94 lb/ft³ with specific gravity of 1.50574 relative to pure water. Calculate how much of this gravel is required to attain a specific depth in a cylinder, quarter cylinder or in a rectangular shaped aquarium or pond
Materials and Substances
What is pound-force per hectare?
A pound-force per hectare (lbf/ha) is a unit of pressure where a force of one pound-force (lbf) is applied to an area of one hectare.read more...»
What is radioactivity measurement?
for radioactivity units details see belowread more...»