Hallux valgus is a common deformity of the big toe, defined as medial deflection of the first metatarsal bone along with lateral deflection of the first toe. Surgery has been shown to be b...
The influence of adverse pool water chemistry on the. vinyl was assessed through observation of changes in vinyl. colour, weight, dimensions, tensile strength and elongation. (stretching). The laboratory studies revealed that the factors most. affecting vinyl liners are high chlorine concentration, and.
The vinyl liner in an above-ground swimming pool, or an in-ground vinyl liner pool, will not last forever. The recommended lifetime for this pool component is usually set by the manufacturer and given with optimal conditions for chemical use, activity, sun damage and damage due to weather conditions.