Readers ask: Concrete Pond Sealer?

What do you use to seal a concrete pond?

Liquid Rubber Waterproof Sealant (link to amazon) is the best concrete pond sealer. It is a water-based liquid rubber sealant that is safe for both fish and the environment.

Does a concrete pond need to be sealed?

You don’t need to re-seal your pond till years, once filled after application of Concrete fish pond sealant. You will have a great fish pond that will prove entertaining and easy to maintain for years.

What is the best pond sealer?

The Most Effective Pond Sealer in the Industry: Crushed Sodium Bentonite. Crushed sodium bentonite is a natural substance that has numerous applications. It is commonly used as a sealant in ponds that experience high rates of water seepage.

Is cement safe for pond fish?

Re: is cement safe for pond.

i would not anticipate any problems with the area you describe and once cured poses little risk to fish. you may want to keep an eye on ph for a while as lime from cement can raise ph.

Is Flex Seal good for ponds?

Q: Is Flex Seal Liquid® safe to use on a fishpond with live fish? A: Once fully cured, Flex Seal Liquid® is safe around plants and animals.

How do you seal a small 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.

Will a concrete pond hold water?

Untreated concrete is usually quite porous, absorbing and allowing water to slowly seep through microscopic spaces, but it can be made highly resistant to the passage of water by using fine aggregates and waterproofing additives to close the pores.

Can you make a pond out of concrete?

The basic construction of a concrete pond follows that of the liner ponds. The concrete should be 4 to 6 inches thick. Once the dimensions are established and an outline laid out, dig out the soil for the entire pond. Forms must be built in place to hold the concrete while it dries and cures.

Is concrete waterproof?

Concrete is not waterproof. Despite not immediately seeing water leak through a slab of concrete, water does get through the spaces in between its particles. And water can break the concrete down eventually, causing it to chip off or leak through and allowing more water to cause more damage.

Can you paint over pond sealer?

Old pond sealant cannot be painted over and should be completely removed using a diamond tipped grinding disc or high pressure gurney until the raw concrete/render is exposed.

Why does the water level in my pond keep dropping?

Causing water levels to drop roughly 1 inch per week, evaporation is the most common cause of pond water loss. But don’t panic, this is normal. Factors such as location, time of year, pond size and especially weather, can affect the rate at which evaporation occurs. Evaporation can be reduced if the pond is shaded.

How much bentonite do I need for a 1 acre pond?

Average bentonite application rates range between 2 pounds per square foot and 6 pounds per square foot. This means that the total amount of bentonite needed to seal most pond bottoms is measured per ton rather than in pounds.

Does baking soda kill algae in ponds?

Bicarbonate, the active ingredient in baking soda, is an effective spot treatment to help kill the algae and loosen it from the wall.

How do you seal concrete to hold water?

Apply a top coat of concrete sealer. Once the surface has been thoroughly cleaned, apply a concrete sealer. Thompson’s Concrete Care Sealer may be used on exterior concrete, brick, stucco and stone, and prevents water damage, resists chipping and cracking, and provides resistance to damage from freeze/thaw cycles.

Can I put fish straight into a new pond?

You should wait at least 72 hours before putting fish in your new pond. Even if only the water is new. This way the temperatures of the water equalize, making it easier on your fish to be put in new water. During the next 15 minutes, slowly let some pond water into the bag to get them used to the water.