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*The Angi rating for Fountain Service companies in Grantham, NH 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 Grantham, NH 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 January 05, 2026

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Nial Construction

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Nial Construction

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33 years of experience

Nial Construction has been serving Central New Hampshire since 1993. We are proud to be known as the "Company that understands old houses." We offer many services in the construction field, but we are the area's foremost specialist in "jacking up" houses and repairing/replacing/installing foundations and basements while the home remains completely livable.

Nial Construction has been serving Central New Hampshire since 1993. We are proud to be known as the "Company that understands old houses." We offer many services in the construction field, but we are the area's foremost specialist in "jacking up" houses and repairing/replacing/installing foundations and basements while the home remains completely livable.

Fountains questions, answered by experts

The average pond maintenance cost is $2,000. But how much you pay to take care of your pond depends on multiple factors, such as the size of the pond and whether fish live in it. Your area's climate also affects the overall maintenance cost, as you may need to winterize your pond to protect it and any aquatic life in it during the colder months.

When deep cleaning your koi pond, transfer fish to a clean, uncontaminated container at least one foot deep, like a large bucket, tub, or kiddie pond. Fill the container with their existing pond water to avoid shocking them, and place the container in full or partial shade. When it’s time to reintroduce them into the pond, slowly add the new water to the container before adding the fish and container water back into the pond.

You have several options for your pond by getting your yard ready for the winter. You can winterize your koi pond by ensuring it’s at least 5 feet deep so it doesn’t freeze completely, installing a pond heater or aerator and having it run at all times, and installing a deicer if temperatures are dangerously low for an extended period. You can also choose to shut down your pond for the winter by removing all the wildlife in it and bringing it indoors, cleaning out the filter and pump, and then covering the pond with a tarp.

While there’s always a possibility that pests will appear in and around a natural swimming pool—much like regular swimming pools—they largely deter pests due to their natural filtration system, which keeps things clean and the water constantly moving.

Like pools, ponds can be a safety risk, so they may increase your homeowners insurance. Be sure to let your insurance company know if you build a pond on your property—they may have safety requirements in order to keep your premium from increasing. 

The Grantham, NH homeowners’ guide to fountain services

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

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