
How to Fix a Concrete Pond With a Liner
- Remove Everything. You must remove everything in the pond before you can insert a pond liner. Begin by disconnecting the...
- Powerwash It All. You can begin cleaning while the water is still draining from the pond. Power wash the concrete...
- Add an EPDM Liner. A fish-safe EPDM pond liner large enough to cover the entire pond is...
What to do with an old concrete pond?
* Ideas for my Old Concrete Pond
- Fire Pit – Turn it into a Fire Pit (or a BBQ pit or a grill and/or an outdoor stove). ...
- Fountain – Add a Fountain – concrete or other “pondless” water feature.
- Bird Bath – Sanitize it and make it a Bird Bath. ...
- Planter – Fill it in with dirt and Plant a.) trees and shrubs b.) flowers. ...
- Remove it – Jackhammer it out, haul it away and fill it in with dirt. ...
How to repair a crack in a concrete pond?
* My Remaining Steps with Installing Electrical:
- Trench to a location near the pond.
- Pull Wire over.
- Install a Waterproof GFCI.
- Add a breaker back at my breaker panel.
How to repair a leaking concrete pond?
- Turn off the pump. If the water stays the same level in the main pond. ...
- Once you are sure the leak is not from the plumbing. ...
- Can't find a visible leak in the plumbing, stream and waterfall or pond. ...
How to seal concrete ponds to hold water?
Sealing A Pond With Bentonite – A Complete Guide
- Method 1: Sprinkle Method. The Sprinkle method is simple to perform. ...
- Method 2: Blanket Method. The blanket method is the most effective method of sealing a pond with bentonite. ...
- Method 3: Mix Blanket Method. The mix blanket method is almost similar to the blanket method. ...

How do you seal cracks in a concrete pond?
For hairline cracks, an epoxy like Pond Shield can be used to coat over the crack. Coating over a crack will give you the most minimal resistance to the crack reappearing. I suggest that you use a grinder with a cutting wheel to groove the crack and THEN fill it in with Pond Shield.
How do you seal an old concrete pond?
Many products can seal a concrete pond while curing underwater, meaning you don't need to drain or clean the pond. One of the easiest products to find is hydraulic cement, also known as leak-stop or quick-set, which is often used in home repair to stop leaks in damp areas.
How do I repair a damaged pond?
3. Pond Liner Repair KitDrain the water down to the hole.Dry the area around it.Apply the primer.Cut the patch into a circle.Use the roller to apply the patch.Wait a few minutes for it to set.Refill your pond.
Why is my concrete pond leaking?
Leaks will occur when the bond becomes too weak in a specific area. These problems are often a consequence of poor construction on the part of the contractor. If the cement mix is not done in just the right way it may be insufficiently hydrated which causes a cure that is uneven.
What is the best sealer for a concrete pond?
The best pond sealant, beware of imitators! Concrete-based ponds need a final render sealing to stop the water getting in and lime leaking out. G4 has been long-established as the market leader for this task. When using the black paint, the first two coats must be G4 Clear.
Does a concrete pond need to be sealed?
However, concrete is a porous material and can eventually leach lime and other chemicals into your pond unless you seal the pond with a waterproofing compound. The market provides different products that provide a flexible, rubber-like, waterproof coating for your concrete pond.
How do you seal a hole in a pond?
2:2011:16Repairing A Leaky Pond~Plugging A Hole In The Dam Part 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it is this is chips most bentonite people are familiar with bentonite is a powder like a talcumMoreAnd it is this is chips most bentonite people are familiar with bentonite is a powder like a talcum powder real real fine powder that you seal Pond floors with disc it in and make you pond.
Will a leaking pond seal itself?
Treated areas that might become exposed and dry during water level fluctuations should be sealed with 12 to 18 inches of gravel to prevent erosion, cracking, and perforation. Ponds that seep a little may seal themselves through natural siltation.
How does bentonite work to seal a pond?
Sodium bentonite pond sealer absorbs water, expands, and creates a muddy gel that fills holes, pores, and cracks in the soil. In ponds with water, you can sprinkle the sealant over the water surface, it will sink to the bottom and create the muddy gel layer on top of the pond floor.
How do you seal concrete underwater?
Hydroplug hydraulic cement gets to work fast, immediately reacting with water to form a tight seal that stops the flow of water. The extremely fast-setting formulation is ideal for the repair of underwater concrete or concrete subject to hydrostatic pressure.
How do you find a leak in a concrete pond?
Step-By-StepFill the pond water up to the appropriate level.Unplug the pump.Let the pond sit for 24 hours.After 24 hours, check the water level. ... Check all fittings, plumbing, and pump connections for leaks. ... If the water has dropped, you do in fact have a leak in your pond.More items...•
Is there a sealer for concrete?
There are two main types of concrete sealers: film-forming sealers and penetrating sealers. Film-forming sealers include acrylics, epoxies, and urethanes that form a coating on the surface of the concrete. Film-forming sealers, especially acrylics, are more susceptible to wear and will need to be reapplied frequently.
How thick is pond shield?
To put 10 mils into context, the internet says a standard coat of interior paint is generally between four and five millimeters thick. So basically, Pond Shield needs to be applied twice as thick as a single coat of interior paint. We selected a light gray – which honestly wasn’t our first choice.
What is pond shield?
Pond Shield is an epoxy coating made by a company called Pond Armor. From their site – Pond Shield® is a specialized non-toxic epoxy liner system. Basically a liquid pond liner. Their three steps to success: Prepare the Pond, Apply the Coating, & Enjoy the Pond.
Does etching concrete remove calcium sulphate?
Etching will remove any residual calcium sulphate that can be found on the surface of the concrete. If it is not removed, it will likely fall off later with the new coating attached.”. In regards to prepping for epoxy coating, “ Surface Tooth – A properly prepared concrete surface will feel like 60-grit sandpaper.
Can you add fish to pond shield?
When asked about Pond Shield, Mark from Rocky Mountain WaterScape said, “Although we don’t work with it every day, we have used it in various applications for years.” When asked about adding plants and fish, he continues, “Yes, you could add plants and fish. Pond Shield is perfectly safe for both once it dries.”
Can you fill cracks in pond armor?
It is also important to understand that by filling a crack you are not adding any strength to the crack you are only filling the crack. If the ground moves again (this is what caused the crack to begin with) the crack may or may not reopen and may or may not cause a crack in the Pond Armor.
Why is my concrete pond losing water?
If you notice your concrete pond is losing water, the concrete might have a crack in it. Concrete is susceptible to weather conditions and can form cracks due to frost and thawing in winter, an earthquake, or when the ground settles beneath your pond. You can repair cracks yourself.
What to do if you see a hairline crack in a pond?
This will ensure the sealant can penetrate to an acceptable depth in order to provide a longer lasting concrete repair to your garden pond.
How to clean cracks in a planter?
Use a stiff wire brush to clean the crack and the surrounding area, making sure any plant debris is thoroughly removed. When clean, dry the crack and the surrounding area.
How to get rid of a fish in a pool?
Begin by disconnecting the power source for the pump and siphoning the water out. Protect the fish by scooping them up with a net and placing them into 5-gallon buckets or tubs. Remove your water plants, placing the rhizomes or pots into tubs filled with water.
Can you use EPDM liner on a pond?
While the EPDM liner works well in a pond with relatively smooth sides, shelves and bottom, a pond with preformed concrete boulders and a rough bottom may require a slightly different approach. Once the concrete is thoroughly cleaned and any cracks of 1/2 inch or larger are patched with a concrete-patching product, paint on an epoxy sealer with a brush or roll it over the entire concrete surface of the pond. It may require several coats to seal the concrete adequately. Once completely dry and cured, the sealant keeps the pond leak-free for a few more years.
How to get rid of algae in pond?
First, get your fish into safe temporary quarters, completely drain the pond and let it dry out completely. Drying makes algae easier to remove. Use a wire brush for this job. Chemicals are not a good idea. They may lodge in the concrete and be a danger to your fish. The cleaning will expose hairline cracks if any exist.
How deep is a concrete fishpond?
The place we bought has a concrete fishpond in the back that leaks. It is oval in shape (5 1/2 feet x 6 1/2 feet) with sloped sides and is about 16 inches deep. It was built about 20 years ago. The water level drops about 1 1/2 to 2 inches per day. I can’t determine where it is leaking. Could it be porous concrete or hair-line cracks? Is there any way the concrete can be coated or sealed, or do you have another suggestion?#N#John
What is Quikrete concrete patch?
Quikrete makes a super line of concrete patch products. Follow the instructions on the box concerning mixing and application very carefully. Use any latex base concrete sealant (insure the one you select does not contain mercury or other anti-fungal chemicals) rather than an epoxy resin.
How much water does a fish pond lose on a windy day?
ANSWER. On a warm windy day it is likely that you will lose 2 inches of water from your fish pond to evaporation. However, a leak should not be discounted as the cause, and the added precaution of sealing the inside surface of the pond isn’t a bad idea either.
Can epoxy sealer be used on fish ponds?
Although the epoxy based sealer would work better to prevent leaks it may be harmful to your fish. Once the job is complete refill the pond, put the fish back in, barbecue some hot dogs and make sure we get an invitation. fish pond leaks Quikrete.
What is a crack in a pond?
Well that all depends upon the type of crack as well as the size of the crack in your pond as well as the size of the crack. Cracks can be anything from small hairline cracks up to large fissures that go right through the entire structure. The simplest of cracks is just a hairline crack. A crack like this can be easily repaired using ...
What happens if a crack goes through a structure?
If the crack goes through the structure you might have your work cut out for you. In severe cases, there isn’t a lot of repair that can be done. But those instances are pretty rare if the structure was made using all of the proper elements needed for good, sound construction.
Can you use Pond Shield to seal cracks in concrete?
You really need to shore up the concrete so that it acts just like it was when the crack did not exist. For hairline cracks, an epoxy like Pond Shield can be used to coat over the crack. Coating over a crack will give you the most minimal resistance to the crack reappearing.
Can you put steel mesh back in concrete?
You may find yourself cleaning up the crack quite a bit by actually removing portions of concrete so that you can place new concrete into the affected area. If you cut through rebar or steel mesh, you will have to put new rebar or steel mesh back in. Rebar and mesh help strengthen concrete as a whole.
Can concrete crack in pond?
No Comments. Over time, the concrete in your pond can crack. Ground movement, concrete shrinkage, freeze/thaw conditions can all play a part in possible cracks forming in your pond. The trouble is that when this happens, you have to go out there and fix the problem. So how do you go about fixing a cement crack in a pond?
Can you use concrete to fill cracks?
After the stitch is in place, you can use concrete to fill in the crack. Your concrete can have fibrous additives in it that will act as a strengthener. Be sure to use a good bonding agent on concrete before filling it in. This will aid in the adhesion between the old concrete and the new concrete. Once the concrete has set up ...
Can you put fiberglass over concrete?
This will keep the water from soaking through the concrete and reaching the rebar beneath where it can corrode there too. For added strength, you can also apply a strip of fiberglass over the crack.
How long does it take for cement to cure in a pond?
Use a putty knife to scrape away excess and smooth the repair before it becomes too hard. You must work quickly; the cement starts to cure in as little as 30 seconds and can be hard within five minutes. Concrete can change the pH of your pond.
What is the best product to seal a concrete pond?
One of the easiest products to find is hydraulic cement, also known as leak-stop or quick-set, which is often used in home repair to stop leaks in damp areas.
How to mix cement with water?
Mix the cement with water in a small container using a wooden stick or paddle. Read the instructions for the correct ratio of cement-to-water. The cement should feel like putty. Only mix a small amount; you can mix more than one batch.
Can concrete affect the pH of a pond?
Tips. Concrete can change the pH of your pond. If you have fish, this can cause problems, particularly if you need to use a lot of concrete. You might need to use chemicals to change the pH of the water or take other precautions to protect your fish. Warnings.
Can a concrete pond leak?
By Rochelle Leggett. Even a well-maintained concrete-lined pond can develop cracks over time, causing the pond to leak. Repairing damage can be a tedious and difficult job, because the pond probably will be full of water and algae or plant growth.
