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Wacker 121 Professional Aquarium, Fish Tank Silicone Sealant | Small to Large Tanks | Bonding, Gap Filling & Repair | Safe for Fish (310ml - Clear)

Wacker 121 Professional Aquarium, Fish Tank Silicone Sealant | Small to Large Tanks | Bonding, Gap Filling & Repair | Safe for Fish (310ml - Clear)

Product ID: 725604801

Details

Brand
Wacker
Colour
Item form
Paste
Material
Silicone
Special features
Non Toxic

⚡fast curing speed

💧100% waterproof & water resistant

💪360 lbs tensile strength

R1254

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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Description

🐠 Seal with confidence, swim with style!

VERSATILE APPLICATION - Ideal for glass, plastics, ceramics, and more—professional-grade for all your sealing needs.
FISH SAFE FDA APPROVED - Non-toxic formula ensures a safe, healthy environment for your aquatic life.
LONG TERM WATER RESISTANCE - Seals won’t crack, shrink, or yellow—guaranteed watertight performance under pressure.
EFFORTLESS PRECISION SEALING - High viscosity paste with smooth application for clean, flawless aquarium repairs.
UNMATCHED AQUARIUM BONDING POWER - Engineered in Germany for superior strength and durability, perfect for tanks of all sizes.

Wacker 121 is a premium German-made silicone sealant designed specifically for aquarium construction and repair. With 360 lbs tensile strength, fast curing, and FDA approval for aquatic safety, it delivers a durable, waterproof bond that resists cracking and yellowing. Trusted by professionals for over 20 years, it’s perfect for small to large tanks and multiple glazing applications.

Specifications

ASIN	B08KGVHJJ8
Best Sellers Rank	#62,857 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #161 in Silicone Sealers
Brand Name	Wacker
Color	Clear/Transparent
Compatible Material	Glass
Container Type	Tube
Customer Reviews	4.3 4.3 out of 5 stars (413)
Item Form	Paste
Item Package Quantity	1
Item Weight	420 Grams
Manufacturer	Wacker
Material Type	Silicone
Model	WCK121
Number of Pieces	1
Other Special Features of the Product	Non Toxic, Strong
Part Number	WCK121
Tensile Strength	360 Pounds
Unit Count	310 Milliliters
Viscosity Level	High
Volume	310 Milliliters
Water Resistance Level	Waterproof

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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R1254

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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