AdvanceSub Premium Ceramic Substrate is an extremely pours ceramic filter media.
- Cleaner healthier tank, more wast products being broken down
- Extremely pours allowing more beneficial bacteria to thrive in your tank
Made Specifically for: Any fresh or salt water filters.
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Just a quick note to thank you for the great service you have given me and to let you know all the fish arrived safe and alive. I am very happy with them and look forward to dealing with you again in the near future. - Dave P