---
product_id: 670698580
title: "Stanley S420 Aquarium Silicone Sealant Clear - 2x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack"
brand: "stanley"
price: "1530361₫"
currency: VND
in_stock: true
reviews_count: 6
category: "Stanley"
url: https://www.desertcart.vn/products/670698580-stanley-s420-aquarium-silicone-sealant-clear-2x10-1-fl-oz
store_origin: VN
region: Vietnam
---

# Rapid 2-hour cure time Non-toxic, fish & plant safe 100% solventless waterproof seal Stanley S420 Aquarium Silicone Sealant Clear - 2x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack

**Brand:** stanley
**Price:** 1530361₫
**Availability:** ✅ In Stock

## Summary

> 🐟 Seal your aquatic world with confidence and clarity!

## Quick Answers

- **What is this?** Stanley S420 Aquarium Silicone Sealant Clear - 2x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack by stanley
- **How much does it cost?** 1530361₫ 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/670698580-stanley-s420-aquarium-silicone-sealant-clear-2x10-1-fl-oz)

## 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

- • **Eco-Friendly & Safe:** Formulated to keep your aquatic ecosystem thriving without harmful chemicals.
- • **All-Weather Durability:** UV, chemical, and water-resistant for long-lasting performance in any condition.
- • **Fast & Efficient Application:** Cures quickly with atmospheric moisture, minimizing downtime on your projects.
- • **Ultimate Aquarium Protection:** Secure, flexible bond that withstands underwater pressure and environmental stress.
- • **Versatile Multi-Surface Sealant:** Perfect for glass, aluminum, and more—ideal for aquariums, windows, and displays.

## Overview

Stanley S420 Aquarium Silicone Sealant Clear is a 2-pack of 10.1 fl. oz. tubes featuring 100% solventless, non-toxic silicone designed specifically for freshwater and saltwater aquariums. It offers a waterproof, UV and chemical-resistant bond with high elasticity and rapid 2-hour curing, ensuring a durable, safe seal for aquatic life and versatile use on glass and aluminum surfaces.

## Description

Stanley S420 Aquarium Silicone Sealant Clear - 2x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack: desertcart.com: Industrial & Scientific

Review: Works well - Works great.
Review: Lacking quality for the namesake - Did not hold at all! Had to redo project

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D6Z9MJBC |
| Best Sellers Rank | #134,233 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #227 in Silicone Adhesives |
| Brand | STANLEY |
| Brand Name | STANLEY |
| Color | Clear |
| Customer Reviews | 3.8 out of 5 stars 12 Reviews |
| Full Cure Time | 2 Hours |
| Item Form | Liquid |
| Item Package Quantity | 2 |
| Manufacturer | StanleyChem |
| Material | Silicone |
| Material Type | Silicone |
| Other Special Features of the Product | Fast Drying, Non Toxic, Waterproof |
| Special Feature | Fast Drying, Non Toxic, Waterproof |
| UPC | 810125469169 |
| Unit Count | 2.0 Count |
| Volume | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** STANLEY
- **Color:** Clear
- **Item Form:** Liquid
- **Material:** Silicone
- **Special Feature:** Fast Drying, Non Toxic, Waterproof

## Images

![Stanley S420 Aquarium Silicone Sealant Clear - 2x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack - Image 1](https://m.media-amazon.com/images/I/81dtxTN7jmL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by R***R on November 7, 2025*

Works great.

### ⭐ Lacking quality for the namesake
*by A***A on January 16, 2026*

Did not hold at all! Had to redo project

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

Works well

## Frequently Bought Together

- Stanley Aquarium Silicone Sealant Clear - 1x10.1 Fl. Oz. Fish Tank Safe, Waterproof Bond to Glass, High Elasticity, Non-Toxic Aquarium Sealer for Freshwater & Saltwater | 2 Pack.
- GREAT STUFF 99112849 Smart Dispenser Pond & Stone, 12 oz, Black

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*