The terms reactant and product can be used to describe constituents of individual enzymatic reactions or entire metabolic pathways. Reactants (or 'substrates') are the starting materials for a reaction, In the generic reaction shown below, A and B are the reactants. C and D are the products. CO2 and RUBP are the reactants in this reaction, Rubisco is the enzyme, and the product is two molecules of 3PGA. We can also refer to the reactants and products of entire metabolic pathways, such as of the light-independent reactions.
A. PLASTER IS A TIME TESTED PRODUCT: Plaster has been used as a swimming pool surface coating for the past 50 years. This experience has shown that plaster is a durable surface that can stand up to the environment of proper pool water chemistry.
Maintaining Pool Calcium Hardness. To keep pool water balanced, calcium hardness Is one of the most important levels to maintain. Calcium hardness, is the measure of how hard or soft your pool water is, and measures how much calcium is dissolved in your pool water. I explain calcium hardness in more detail in our swimming pool glossary.