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 99112849 Smart Dispenser Pond & Stone, 12 oz, Black

Product ID: 124628355

Details

Brand
Great Stuff
Item Form
Foam
Item Weight
1 Pounds
Liquid Volume
12 Fluid
Unit Count
1.0 Count

⏳Reusable up to 30 days

💧Water-resistant, fish-safe seal

🧴12 oz precise foam volume

€ 38.85

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

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Description

🖤 Seal your pond with precision and style—because your aquatic oasis deserves the best!

EFFORTLESS PRECISION - Comes with an innovative SMART DISPENSER straw for better bead control and professional results.
AQUARIUM SAFE FORMULA - Safe for ornamental fish and plants, ensuring your pond stays vibrant and healthy.
ECO FRIENDLY REUSABILITY - Use the dispenser repeatedly for up to 30 days, reducing waste and saving money.
SMART DISPENSING CONTROL - No drips, no mess—foam stops when you stop for flawless application every time.
SUPERIOR ADHESION SEAL - Bonds securely to pond stones and surfaces, providing a durable, water-resistant cover.

Great Stuff 99112849 Smart Dispenser Pond & Stone is a 12 oz black foam sealant designed for pond and stone applications. Featuring a new smart dispenser straw, it offers drip-free, precise foam control that stops when you stop. The product is reusable for up to 30 days, safe for ornamental fish and plants, and provides a strong, water-resistant bond to keep your pond décor flawless and protected.

Specifications

ASIN	B07GL5MP2X
Best Sellers Rank	#2,613 in Pet Supplies ( See Top 100 in Pet Supplies ) #3 in Aquarium Décor
Brand	Great Stuff
Brand Name	Great Stuff
Customer Reviews	4.5 out of 5 stars 3,257 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	1.01 Pounds
Liquid Volume	12 Fluid Ounces
Manufacturer	Dow
Manufacturer Part Number	99112849
Model Number	99112849
Pet Type	Fish
Target Species	Fish
UPC	041343012121
Unit Count	1.0 Count
Warranty Description	Warranty

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€ 38.85

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews