Sand for Sandfilter

[SissyH]

and where would I buy filter grade sand???? What sand is filter grade sand???

thanks so much

[CarlD]

Pool stores sell it. Around here (NJ in the NYC metro area) it sells in 50# bags for $5 to $6 a bag. Cheap enough I figure! But in the past it's been as high as $10 to $12 a bag.