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

Great Stuff 99112849 Smart Dispenser Pond & Stone, 12 oz, Black

Product ID: 237516118

Details

Brand
GREAT STUFF
Item Form
Foam
Item Weight
456 g
Liquid Volume
12 Fluid
Net Quantity
1.0 Count

⏳Reusable up to 30 days

💧Water-resistant, fish-safe seal

🧴12 oz precise foam volume

R1482

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.

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Description

🧩 Seal smart, seal sharp — the future of pond care is in your hands!

AQUATIC SAFE SEAL - Formulated safe for ornamental fish and plants, protecting your pond ecosystem while sealing.
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 and professional results.
DURABLE DEPENDABLE - Seals, adheres, and bonds with a water-resistant cover that stands up to outdoor elements.
ECO SMART REUSABILITY - Use the dispenser repeatedly for up to 30 days—sustainability meets convenience.

Great Stuff 99112849 Smart Dispenser Pond & Stone is a 12 oz foam sealant designed for precise, mess-free application with a reusable smart dispenser straw. Safe for ornamental fish and plants, it provides a durable, water-resistant seal that bonds effectively to pond and stone surfaces, making it a top choice for professional-grade pond maintenance.

Specifications

ASIN	B07GL5MP2X
Best Sellers Rank	#10,467 in Pet Supplies ( See Top 100 in Pet Supplies ) #281 in Aquarium Water Testing & Treatment
Brand Name	GREAT STUFF
Customer Reviews	4.5 4.5 out of 5 stars (3,220)
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	456 g
Liquid Volume	12 Fluid Ounces
Manufacturer	Dow
Manufacturer Part Number	99112849
Model Number	99112849
Number Of Items	1
Pet Type	Fish
Target Species	Fish
UPC	041343012121
Unit Count	1.0 Count

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