A. Concrete ponds can be “cured” and made safe for fish without any special coatings. Keep the newly constructed pond filled for a week, then drain and refill.
What kind of concrete should I use for a fish pond?
For the floor of your pond, plan on 4-inch-thick concrete. If your pond floor is 10×12 feet, that means you will need about 1.5 cubic yards–or about 6000 pounds–of concrete. You should consider pouring concrete for the sides of the pond as well. If they are vertical, you will have to form them with wood first.
How thick does concrete need to be for a pond?
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.
How do you make a cement pond safe for fish?
TO CURE – Newly cemented ponds release quantities of free lime into the water which is toxic to fish and plants. By curing the pond, this danger is removed. To cure, mix one-gallon household vinegar to each 200 gallons of water in your pond and let set three days.
Is cement toxic for fish?
There are many innocent ways to add harmful chemicals to your pond. … This is because the water that has run over the new cement and into the pond will have leached some lime from the cement. In a large pool this isn’t so much of a problem, but in the average back garden pond it is often fatal.
How deep should a fish pond be?
The best depths for koi and goldfish ponds are anywhere from 4 feet to 21 feet deep. Four feet of water will prevent excess water evaporation and keep predators from eating the fish. Steep, hard-to-climb banks will also deter predators. In warmer climates where the pond will not freeze, 4 feet is plenty.
How do you waterproof a fish pond?
Therefore, you need to seal the pond with a waterproofing compound like super laykold, a rubberised bitumen emulsion that can be reinforced with abe® membrane to provide a seamless professional waterproofing system. It is also non-toxic and koi/fish friendly.
How do you waterproof a concrete pond?
Vandex Unimortar 1 and Vandex BB75 can be used to waterproof a typical concrete pond or water feature. First a fillet is formed around the inside-perimeter of the pond using Vandex Unimortar 1. Once the Unimortar 1 has cured, two coats of Vandex BB75 are applied to the sides and floor of the pond.
Can I use chicken wire to reinforce concrete?
Materials such as chicken wire, stucco mesh, wire screening, expanded metal, fence wire or fiberglass cloth should never be used as primary reinforcement because their properties are too variable or they are not sufficiently strong. You cannot rely on these materials.
Can you make a koi pond out of concrete?
4´ deep koi pond with 4˝ bottom drain, 2˝ fiber reinforced concrete sprayed over 45mil EPDM liner. Concrete is made by adding water, sand and gravel to the cement, while mortar refers to a finer sand and cement mixture used for bonding brick and stone. …
Will vinegar kill pond fish?
While adding vinegar to your pond will lower the pH and kill bacteria, it can also kill your fish and plants if the pH drops below 6.5. Removing the fish and plants before adding vinegar is the best way to keep them safe.
What paint is safe for fish ponds?
Kingfisher Epoxy Pond Paint is a high-quality universal water-based pond sealant paint. It is designed for easy and safe application to ponds. This waterproof pond paint possesses most of the properties of standard epoxy resins.
How do you fertilize a fish pond?
A fertilizer platform positioned one foot under water can be used to hold granular fertilizer off the bottom. Pour fertilizer or place open or slitted bags on the platform. The fertilizer will slowly dissolve and be distributed by water currents. A platform measuring 45 square feet is adequate for a 5- to 10-acre pond.
What is an environmentally friendly alternative to concrete?
Geopolymer concrete is an alternative that doesn’t use limestone. Instead, this concrete uses things like fly ash, clay or slag, combining environmentally friendly materials in a low-energy process.