Should I put rocks in my fish pond?

Pond rocks are home to beneficial bacteria, Mother Nature’s little cleaners. These microorganisms help break down fish waste and other debris that can turn into sludge. Having rocks and gravel gives them more space to colonize. It also traps sediment that may otherwise cloud the water.

Are rocks good for a pond?

Pros of having rocks and gravel on pond bottom: Makes the bottom of the pond look natural and hides the liner material. Creates biological environment for beneficial bacteria to break down organic sludge. Rocks and gravel provide media for aquatic plants to attach their roots.

What should I put in the bottom of my pond?

At a Glance: 5 Reasons We Recommend Putting Gravel on the Bottom of Your Pond

  1. Gravel gives beneficial bacteria a place to colonize. …
  2. Gravel protects plants from curious koi.
  3. Gravel protects the pond liner from sunlight.
  4. Gravel looks more natural than a bare liner.
  5. Gravel makes it easier to work and play in your pond.
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What is the best rock for ponds?

If you’ll be keeping fish in your pond, it’s important to use smooth or rounded stones so the fish aren’t injured on sharp corners. The best kind of rock to use is granite, sandstone or slate. Limestone isn’t recommended because it can alter the pH level of the water.

How do I put rocks in my pond?

How to Lay the Rock for a Backyard Pond

  1. Mark the pond’s outline with a garden hose. …
  2. Dig the hole for the pond, including underwater ledges or shelves for plants. …
  3. Tamp the soil firmly before adding a 3- to 5-inch layer of sand. …
  4. Arrange the larger rocks in the hole, using them along the sides of the ledges as supports.

What gravel can you use in a pond?

Use well rounded gravel or river rocks to line the pond without fear of tearing the liner. Gravel with a stone size between 1 and 3 inches in diameter is best. You can use smaller stones, but then you must take care to ensure that pond vacuums and filtration systems do not accidentally suck in small stones.

How many rocks do you need for a pond?

Here’s the rule of thumb for measurement of your pond. SQUARE FEET on the surface area. FORMULAS TO DETERMINE APPROXIMATE AMOUNT OF ROCK NEEDED: Quantity of BOULDERS in a pond (tons) = length (ft) x width (ft) divided by 65.

Should I put sand in the bottom of my pond?

Although both are weighty materials that help keep a pond liner trapped on the bottom where it’s supposed to be, sand has a much greater chance than gravel to make its way through small tears in the liner or get clogged in filters. … Sand even can get stuck in sand filters.

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How do I clean the bottom of my pond?

Suck it out



Pond vacs are the most hassle-free way of removing dirt from the bottom of the pond and if you’re worried that they will suck up something small and living, fit a sludge bag or detritus collector to the waste hose. Vacuum your pond regularly and your water will be healthier too.

Should I put soil in the bottom of my pond?

Putting your pond plants in special aquatic baskets is better than adding a layer of soil all over the bottom of pond. Too much soil creates an excess of nutrients, which can encourage algae. … Shrubs and other ornamental plants can provide valuable cover and food for wildlife, especially for birds.

How do you clean gravel in a pond?

A Gentle Cleaning

  1. Rinse the inside of the pond. You can also use a pressure washer to help remove debris from the rocks and gravel.
  2. Don’t try to scrub all of the algae away. Some algae on the rocks will prove beneficial in developing your ecosystem. …
  3. Use the gentle stream from a garden hose to rinse the rocks and gravel.

Can I use Cotswold stone in a pond?

As a general rule avoid limestone and Cotswold. When water runs off these materials they can effect your water quality. Good practise is always to wash rocks, boulders and cobbles before putting them near a pond – if they were quarried in the rain they can be carrying mud etc on them.

What is a pond Pebble?

Pond pebbles are a commonly seen accessory in both ponds and water gardens. They provide a number of important benefits, such as maintaining cleaner water and providing a bottom that is more natural looking and safer for the fish. … Here are some tips for using pebbles the right way.

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How do you hide pond liner?

Flagstones or field stones provide the simplest method of hiding a pond liner. Simply create a flat shelf of soil about 8 to 12 inches below the intended surface of the pond, then install the liner over it. You can stack flat stones on the shelf to hide the liner and keep it in place.

Secrets of Successful Fishing