bigspizz;2480379; said:Post some pics cam...What color and brand is your sand??? Sand is mostly glass, glass is non magnetic....
Gr8KarmaSF;2480530; said:Ever test your water? Dont think it would effect your parameters (specifically ph) but you never know....
bigspizz;2480551; said:I bet it is alluvial?...Sand from mining gold and diamonds...It is a concentrate by-product of the mining process...Partially magnetic black sand is the result...I think this is what you have.