---
product_id: 662629012
title: "Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack"
brand: "stanley"
price: "8162342₫"
currency: VND
in_stock: true
reviews_count: 8
url: https://www.desertcart.vn/products/662629012-stanley-s-420-aquarium-silicone-sealant-clear-12x10-1-fl
store_origin: VN
region: Vietnam
---

# Non-toxic formula safe for all aquatic life 100% solventless silicone for ultimate waterproofing UV & chemical resistant for long-lasting durability Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack

**Brand:** stanley
**Price:** 8162342₫
**Availability:** ✅ In Stock

## Summary

> 🐟 Seal the deal with confidence—your aquarium’s best friend!

## Quick Answers

- **What is this?** Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack by stanley
- **How much does it cost?** 8162342₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/662629012-stanley-s-420-aquarium-silicone-sealant-clear-12x10-1-fl)

## Best For

- stanley enthusiasts

## Why This Product

- Trusted stanley brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast-Acting Cure:** Rapid moisture-activated curing means less downtime and quicker project completion.
- • **Aquarium-Grade Seal:** Ensures a watertight, flexible bond that withstands underwater pressure and time.
- • **Multi-Surface Master:** Bonds seamlessly to glass, aluminum, and more—perfect for diverse sealing needs.
- • **Fish & Plant Friendly:** Non-toxic composition keeps your aquatic ecosystem thriving and healthy.
- • **Sun & Chemical Shield:** Resists UV rays and harsh chemicals, maintaining integrity in any environment.

## Overview

Stanley S 420 Aquarium Silicone Sealant Clear is a 100% solventless, non-toxic silicone designed specifically for freshwater and saltwater aquariums. It offers a durable, flexible, and waterproof bond that resists UV light and chemicals, curing rapidly with atmospheric moisture. Ideal for glass and aluminum surfaces, this sealant ensures a safe, long-lasting seal that protects aquatic life and withstands environmental challenges.

## Description

Full description not available

## Features

- 100% Solventless Silicone - This sealant is formulated from 100% solventless silicone, ensuring a robust and durable seal that maintains flexibility over time. It’s perfect for aquariums, providing a secure and reliable bond that withstands the pressures of underwater environments and various conditions without degradation.
- Non-Toxic to Fish and Plants - Specifically designed to be safe for all aquatic life, this silicone sealant is non-toxic, making it ideal for use in both freshwater and saltwater aquariums. It ensures that fish, plants, and other aquatic organisms remain healthy and unaffected by the sealant, promoting a thriving ecosystem.
- Resistant to Water, UV and Chemicals - Engineered to resist water, ultraviolet light, and many chemicals, this sealant delivers exceptional longevity and performance. It remains effective in various environmental conditions, including continuous underwater use and exposure to harsh sunlight, without losing its adhesive properties or flexibility.
- Rapid Curing with Atmospheric Moisture - This one-component sealant cures quickly upon exposure to atmospheric moisture, providing a fast and efficient bonding solution. Its rapid curing process ensures that the sealant sets quickly, allowing for immediate use and minimal downtime in both construction and repair projects
- Versatile Application for Various Surfaces - This versatile silicone sealant is suitable for a wide range of applications, including the construction and repair of aquariums, glazing on aluminum frames, shop displays, and sealing windows and doors. It adheres well to glass, aluminum, and many other surfaces, making it an essential tool for various sealing needs.

## Product Details

- **Color:** Clear
- **Brand:** STANLEY
- **Liquid Volume:** 10.1 Fluid Ounces
- **Item Form:** Liquid
- **Surface Recommendation:** Window, Door, Walls

## Images

![Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack - Image 1](https://m.media-amazon.com/images/I/71HjxKhE0YL.jpg)
![Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack - Image 2](https://m.media-amazon.com/images/I/81ZKYao3TeL.jpg)
![Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack - Image 3](https://m.media-amazon.com/images/I/81tuy1e6nfL.jpg)
![Stanley S 420 Aquarium Silicone Sealant Clear - 12x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 12 Pack - Image 4](https://m.media-amazon.com/images/I/81oUUGrBpOL.jpg)

## Available Options

This product comes in different **Size, Number of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by T***A on September 10, 2025*

Works well

### ⭐⭐⭐⭐⭐ Well worth it!
*by B***S on April 9, 2025*

Stuff works and adheres to glass great!

### ⭐⭐⭐⭐⭐ Watertight
*by C***W on December 24, 2024*

Used this to reseal a used 55 gallon aquarium that I was refurbing. Wasn't quite enough for the whole tank (had to use a second tube), but it has held tight without leaks for several weeks, so I can't complain.

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**Shop now:** [https://www.desertcart.vn/products/662629012-stanley-s-420-aquarium-silicone-sealant-clear-12x10-1-fl](https://www.desertcart.vn/products/662629012-stanley-s-420-aquarium-silicone-sealant-clear-12x10-1-fl)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-23*