What are the cons of river rocks?

• <div><p>While they’re popular and have a lot of pros, the cons of river rocks include the following:</p><ul><li><p>River rocks don’t break down or provide nutrients to plants. </p></li><li><p>These stones can get hot and scorch nearby plants. </p></li><li><p>River stones may heat the surrounding soil to inhospitable temperatures. </p></li><li><p>Rocks can block rainwater from seeping into the ground if installations are too thick or tightly packed.</p></li></ul><p>Most downsides occur when using river rock as mulch in gardens and flower beds. However, you can still incorporate river rocks into your landscape as long as you use them in the correct ways.</p></div>

How do I maintain my pond?

• <div><p>To maintain your pond, you’ll need to occasionally <a href="https://www.angi.com/articles/how-clean-your-backyard-koi-pond.htm">clean your backyard pond</a>, especially if you have koi fish. Test the water twice a week to make sure your fish have everything they need and always remove visible debris.</p></div>

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Q: What are the cons of river rocks?

• <div><p>While they&rsquo;re popular and have a lot of pros, the cons of river rocks include the following:</p><ul><li><p>River rocks don&rsquo;t break down or provide nutrients to plants. </p></li><li><p>These stones can get hot and scorch nearby plants. </p></li><li><p>River stones may heat the surrounding soil to inhospitable temperatures. </p></li><li><p>Rocks can block rainwater from seeping into the ground if installations are too thick or tightly packed.</p></li></ul><p>Most downsides occur when using river rock as mulch in gardens and flower beds. However, you can still incorporate river rocks into your landscape as long as you use them in the correct ways.</p></div>

Q: How do I maintain my pond?

• <div><p>To maintain your pond, you&rsquo;ll need to occasionally <a href="https://www.angi.com/articles/how-clean-your-backyard-koi-pond.htm">clean your backyard pond</a>, especially if you have koi fish. Test the water twice a week to make sure your fish have everything they need and always remove visible debris.</p></div>

Q: Will my fish stay alive in a frozen pond?

• <div><p>Yes, your fish should stay alive in a frozen pond if you winterize it properly. By ensuring your pond has enough oxygen, good water quality, and a hole to release harmful gases, your pond and fish have the best chance of staying alive and healthy. However, if you have tropical fish, they should be overwintered indoors.</p></div>

Q: How many years does a pond liner last?

• <div><p>Lifespans vary by material and manufacturer, but pond liners last anywhere from 10 to 75 years. For example, polyvinyl chloride (PVC) pond liners have a life expectancy of up to 20 years. Other types of pond liners, including those made of high-density polyethylene (HDPE) and ethylene propylene diene monomer (EPDM), can last 40 to 50 years.</p></div>

Q: How often do you need to clean a koi pond?

• <div><p>Deep clean your koi pond at least once a year to keep your fish healthy and your pond in good shape. Water testing, debris removal, and partial water changes should be performed weekly. Seasonal professional service will ensure everything is clean and functioning properly.</p></div>

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Verified Reviews for Fountain Service pros in Mariposa, CA

*The Angi rating for Fountain Service companies in Mariposa, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Fountain Service needs.

*The HomeAdvisor rating for Fountain Service companies in Mariposa, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Fountain Service needs.

Last update on June 25, 2026

Reviewed in June 2026
His price was fair. He worked hard along with his wife to dismantle my large spa. When the spa was loaded in his trailer, both he and his wife swept the patio clean of insulation, plastic, etc. Not only that, they were courteous and very friendly. They are the kind of people you’d like to have...
Abarca Transports-Junk Removal
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Reviewed in July 2025
They were on time and did a great job. It was a tough job, but it got done. The weeds and grasses were very high plus there’s hidden rocks and tree limbs. Also, we’re very courteous.
Mecchi Mountain Moving
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Reviewed in December 2024
I can't say enough good things about Jesse & Hannah. They are extremely attentive to every detail on my property as well as with billing. They not only regularly maintain the landscaping of my vacation rental property but have also made significant upgrades to the landscaping too. They've...
Rough Terrain Landscapes
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Reviewed in August 2024
They did an excellent job at a very fair price !! Work came out great and the roof is perfect and waterproof again all you can ask for I would definitely recommend them and hire them again if I needed any more work
Green Leaf Roofing
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Reviewed in October 2023
We are fortunate to have Orin as our neighbor and he has helped us on many occasions. He recently replaced our old hot water heater with a new tankless one since there only 2 of us at home. He has repaired and unclogged and prevented future mishaps as well. He shows up!
Orin Good Plumbing
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Reviewed in June 2022
Friendly, reasonably priced, and excellent service. Rick also gave me a valuable advice about my other trees.
Becks Tree and Property Service
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Reviewed in June 2022
Cynthia did a great job, thorough and have a great attitude.
Cynthia's Cleaning
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Reviewed in April 2022
It went really well. The owner was very nice. They were very quick. They showed up on time. They really did a good job.
Milne's Painting
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Reviewed in September 2021
Josh with Wolford Excuvating did a excellent job on both the gravity jumbo block concrete retaining wall and the boulder retaining wall. Far exceeded my expectations. Promptly courteous service and easy to reach. Very reasonable cost. I would most highly recommend.
Wolford Excavating
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Fountains questions, answered by experts

While they’re popular and have a lot of pros, the cons of river rocks include the following:

River rocks don’t break down or provide nutrients to plants.
These stones can get hot and scorch nearby plants.
River stones may heat the surrounding soil to inhospitable temperatures.
Rocks can block rainwater from seeping into the ground if installations are too thick or tightly packed.

Most downsides occur when using river rock as mulch in gardens and flower beds. However, you can still incorporate river rocks into your landscape as long as you use them in the correct ways.

To maintain your pond, you’ll need to occasionally clean your backyard pond, especially if you have koi fish. Test the water twice a week to make sure your fish have everything they need and always remove visible debris.

Yes, your fish should stay alive in a frozen pond if you winterize it properly. By ensuring your pond has enough oxygen, good water quality, and a hole to release harmful gases, your pond and fish have the best chance of staying alive and healthy. However, if you have tropical fish, they should be overwintered indoors.

Lifespans vary by material and manufacturer, but pond liners last anywhere from 10 to 75 years. For example, polyvinyl chloride (PVC) pond liners have a life expectancy of up to 20 years. Other types of pond liners, including those made of high-density polyethylene (HDPE) and ethylene propylene diene monomer (EPDM), can last 40 to 50 years.

Deep clean your koi pond at least once a year to keep your fish healthy and your pond in good shape. Water testing, debris removal, and partial water changes should be performed weekly. Seasonal professional service will ensure everything is clean and functioning properly.

The Mariposa, CA homeowners’ guide to fountain services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

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May 3, 2026May 3, 2026
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Jul 9, 2026Jul 9, 2026
5 Water Feature Design Styles to Incorporate Into Your Home
Dive into the details of the different kinds of backyard water features, including fountains, birdbaths, waterfalls, pools, ponds, streams, and spouts.