The pH value in a fiberglass pool stays stable because no chemical reaction occurs between the gel coat and water. Acid is rarely (if ever) used, so chlorine use is significantly less. A fiberglass pool typically uses about 70% less chemicals each month! Algae can only grow on (not in) the surface of a fiberglass pool and simply wipes off with a brush to be circulated away.A natural chemical reaction occurs between plaster and water, causing alkalinity from the plaster surface to leach out into the water. This reaction constantly alters the pH value. Acid or soda ash plus additional chlorine is used to combat the constant change. Algae that grows from within the pores of the plaster must be removed with muriatic acid. At a cost of $60 - $80 per month, pool service companies make a good living maintaining gunite pools.
Many fiberglass pool owners find caring for their pool so easy, that paying someone $60 - $80 per month is completely out of the question! Water chemistry can be intimidating enough, without the pool working against you. A fiberglass pool is easy to maintain... no degree required!
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