To clear cloudy pool water, you may need to use some chemicals. For any products you use, be sure to read the label directions carefully for specific instructions on how to use the product correctly and safely.
Or maybe $500 is all this guy can spend and it is between that and no bike. Anyways, op for the price of the Vinson I would personally check out Bikes Direct. They have some decent rides for the price and probably the better choices in that $600 range.
Silver Bullion Price Charts. The Silver price charts above feature Monex Spot Prices per ounce, which represent the midpoint between Monex bid and ask prices per ounce, for pure (minimum .999 fine) Silver Bullion bars, currently available from Monex in units of either one 1,000-ounce silver ingot or one 100-ounce silver bullion bar.