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.
Vinyl liner pools do not need the calcium, but the calcium hardness level is still a part of. properly balanced water. If your chlorine is in proper adjustment then move to alkalinity, and so forth down the list. Wait. and retest after each chemical addition to the pool.