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: 124628355

Details

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

🧴12 oz precision foam volume

⏸️Foam stops instantly when you stop

♻️Reusable up to 30 days

R570

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

MESS FREE MASTERY - NEW Smart Dispenser straw ensures no drips and less cleanup—because your time is valuable.
PRECISION CONTROL - Foam flow halts the moment you stop, giving you flawless bead placement every time.
AQUARIUM SAFE SEAL - Formulated safe for ornamental fish and plants, protecting your aquatic ecosystem.
ECO SMART REUSABILITY - Use the dispenser repeatedly for up to 30 days—sustainability meets convenience.
WATER RESISTANT BONDING - Seals, adheres, and bonds with a durable, water-resistant finish for lasting pond and stone repairs.

Great Stuff 99112849 Smart Dispenser Pond & Stone is a 12 oz black foam sealant featuring an innovative Smart Dispenser straw that stops foam flow instantly to prevent mess. Designed for precision application, it is safe for ornamental fish and plants, provides a water-resistant bond, and is reusable for up to 30 days, making it a top choice for aquarium and pond maintenance.

Specifications

ASIN	B07GL5MP2X
Best Sellers Rank	#2,631 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Décor
Brand	Great Stuff
Brand Name	Great Stuff
Customer Reviews	4.5 out of 5 stars 3,232 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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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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R570

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

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

1 month ago

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

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