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Atlantic Water Gardens SN10300 Black RTV Silicone 10.3 oz

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Original Price $30.18
Current Price $22.64
SKU SN10300

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Atlantic Water Gardens SN10300 Black RTV Silicone is a 10.3 oz cartridge formulated for watertight seals in ponds and water features. This pond-safe, acetoxy RTV silicone cures to a permanent, flexible seal ideal for joining liners to filtration components.

  • Room temperature vulcanizing (RTV) silicone — 100% silicone (acetoxy) for durable sealing.
  • 10.3 oz cartridge size fits standard caulking guns for professional or DIY installations.
  • Pond-safe and fish-safe once fully cured; designed specifically for liner-to-filtration connections.
  • Forms a permanently flexible, watertight bond when used with Atlantic molded inserts, liner retention flanges, and stainless steel hardware.
  • Ready-to-use cartridge; apply to clean, dry surfaces and allow full cure before exposing to water.

SN10300 provides a reliable, durable seal for water gardening projects and filtration assemblies. Store unopened cartridges in a cool, dry place. Follow label directions and safety precautions printed on the product packaging.

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Frequently Asked Questions

What is the SN10300 silicone used for?
A 10.3 oz RTV silicone cartridge for creating watertight seals where liners join filtration components.
Is this silicone safe to use in ponds with fish?
Yes. The SN10300 is pond-safe and fish-safe once fully cured and is formulated for water feature use.
How should I prepare surfaces before applying this silicone?
Apply only to clean, dry surfaces. Remove debris and oils, then follow label instructions for best adhesion.
Will this work with Atlantic liner inserts and retention flanges?
Yes. It is designed to be used with Atlantic molded inserts, liner retention flanges, and stainless hardware.

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