Home Amazon Goldbox deals Amazon: Seachem Flourish Nitrogen 500ml Amazon Goldbox deals Amazon: Seachem Flourish Nitrogen 500ml By ARCOM - 16 February 2017 308 0 SHARE Facebook Twitter Amazon Goldbox Deal: List Price: $16.72 Deal Price: $9.99 You Save: $6.73 (40%) Seachem 116062305 Flourish Nitrogen 500ml Expires Mar 1, 2017