Will 12oz. cover a large area? small waterfall

This product expands a lot and is used for filling in spaces, stopping leaks around rocks and for keeping rocks from falling or moving once placed. One can should fill in around a good amount of rocks if used as intended. I had a small leak in my koi pond waterfall (a rock worked loose) and this worked beautifully for that repair.

Is is safe for my fish pond

Yes - very safe for fish ponds. I've used it on both our fish ponds for years and no issues.

will it work on WET surface

I believe the surface should be dry and clear of dirt/grease/algae,etc. when it is applied. After it cures it can be wet.

Would this repair a hole in a very thick vinyl in my Fisk pond?

I wouldn't trust it long- term against water pressure and bacteria, etc. You can buy special pond liner repair tape which is black vinyl with extra sticky waterproof glue.

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GREAT STUFF Pond & Stone

Product ID: 124628355

Details

Brand
Great Stuff
Item Form
Foam
Item Weight
1 pounds
Liquid Volume
12 fluid
Unit Count
1 Count

⏳Reusable up to 30 days

💧Water-resistant, fish-safe seal

🧴12 oz precise foam volume

€ 41.85

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In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

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Description

🧩 Seal the deal with precision and care—because your pond deserves the best!

MESS FREE MASTERY - NEW SMART DISPENSER straw ensures no drips and less mess for flawless application every time.
PRECISION CONTROL - Foam stops instantly when you stop, giving you ultimate bead control for professional results.
AQUARIUM SAFE SEAL - Formulated to be safe for ornamental fish and plants, protecting your aquatic ecosystem.
ECO FRIENDLY REUSE - Use the dispenser repeatedly for up to 30 days—sustainability meets convenience.
DURABLE WATER RESISTANT - Seals, adheres, and bonds with a water-resistant cover that stands up to pond and stone environments.

GREAT STUFF Pond & Stone features a 12 oz smart dispenser foam that offers drip-free, precise application with reusable convenience for up to 30 days. Designed to safely seal and bond pond and stone surfaces, it’s water-resistant and safe for ornamental fish and plants, making it a top choice for aquarium décor and pond maintenance.

Specifications

ASIN	B07GL5MP2X
Best Sellers Rank	#2,604 in Pet Supplies ( See Top 100 in Pet Supplies ) #4 in Aquarium Décor
Brand	Great Stuff
Brand Name	Great Stuff
Customer Reviews	4.5 out of 5 stars 3,323 Reviews
EU Spare Part Availability Duration	30 days
Global Trade Identification Number	00041343012121
Included Components	SMART DISPENSER straw
Item Form	Foam
Item Type Name	Pond & Stone
Item Weight	1 pounds
Liquid Volume	12 fluid ounces
Manufacturer	Dow
Manufacturer Part Number	99112849
Model Number	99112849
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	041343012121
Unit Count	1 Count
Warranty Description	Warranty

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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.

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TrustScore 4.5 | 7,300+ reviews

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2 weeks ago

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€ 41.85

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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