Check the listing for details. SEACHEM Renew 100 ml Phosphate Free - Carbon Substitute. Condition: New. Listed at 8.99 USD. SEACHEM Laboratories Renew 100 ml Listing is for ( 1 ) : SEACHEM Laboratories Renew 100 ml Renew is ideal for use in systems where phosphate released from all activated carbons poses a problem. Renew is also less aggressive than carbon, making it well suited for reefs and planted aquaria. It is also beneficial for use in soft water aquaria where the pH-raising property of many carbons is not an asset. Renew will remove organics and particulates in the sub-micron range; it will also help control ammonia, nitrates, and phosphates.Renew is a phosphate free carbon substitute Renew carbon replacement (for 30 - 40 gallons of water). 100 ml Please feel free to contact me for International and combined auction shipping rates or with any questions or concerns that you may have about my products. Thank you ! Certain images and/or photos used in this template are the copyrighted property of JupiterImages and are being used with permission under license.