have a bottom sand for rays to let go. reason for selling, now using underflow ios system so cannot put sand. bought the sand at C328, 5kg $12. have a total of 15kg. enough to fill a 422 tank. take all 15kg for $25. or take $2.50 for 1kg. priority to those who take all 15kg. the sand is brown in color. collection at bukit batok. text me at 9657 OneOneNineOne.
