Black Silicone Sealant - 4.7oz

Fish safe silicon  for joining the liner to the filter and skimmers.  Remains flexible but with a strong grab for a good seal.

• Use for sealing where the liner attaches to the biofalls snout and skimmer faceplate
• Also great for securing thread on fittings
• Fish safe
• Enough for your project to attach both the skimmer and biofalls