Skip to content

Pools, Hot Tubs & Spas · Accessories & Add-ons

Pool Pumps & Filters: What Else You'll Need

By the Nest & Yard editorial teamUpdated 2026-08-094 min read

Our pick: the Bestway Filter Cartridge VI for Lay-Z-Spa, White and Blue, Pack of 6 — the best Pool Pumps & Filters we tested, from £34.99.

Setting up a pool or hot tub can be an exciting project, but it’s easy to focus solely on the pump and filter itself. Beyond these core components, you'll quickly discover that several accessories are essential for smooth operation and long-term maintenance – think about things like cable management solutions, secure mounting options, and replacement parts for filters. This guide explores commonly overlooked items alongside pool pumps & filters, helping you ensure everything is ready to go and keep your water sparkling.

See the full range in Pool Pumps & Filters.

Bestway Filter Cartridge VI for Lay-Z-Spa, White and Blue, Pack of 6
Editor's Choice

#1 Pick

Bestway Filter Cartridge VI for Lay-Z-Spa, White and Blue, Pack of 6
Rated 4.7 out of 5 stars (31,964)

£34.99

Pros

  • Genuine Bestway Size VI cartridges fit Miami, Vegas, Palm Springs and Monaco spas
  • Pack of 6 covers a full season of regular filter changes
  • Simple twist-fit installation with no tools needed

Cons

  • Only compatible with Lay-Z-Spa models that use the Size VI filter
View on Amazon →

Pros

  • Direct-fit replacement for Bestway 2,006-3,028 L/h filter pumps
  • Easy twist-in installation with no tools required
  • One of the best-reviewed pool accessories on Amazon UK

Cons

  • Best changed every 2-3 weeks for optimal filtration
View on Amazon →
Intex Swimming Pool Filter Cartridge Type A [Pack of 6]
Best Value

#3 Pick

Intex Swimming Pool Filter Cartridge Type A [Pack of 6]
Rated 4.8 out of 5 stars (11,318)

£27.99

Pros

  • Genuine Intex Type A cartridges fit Krystal Clear filter pumps directly
  • Pack of 6 covers a full season of regular changes
  • Reliable filtration that keeps water visibly clearer

Cons

  • Cartridges can clog quickly in pools used by lots of swimmers
View on Amazon →

Pros

  • Genuine Intex Type S1 replacement fits Bubble, Greywood and Jet spas
  • Twin pack keeps a spare on hand for quicker changeovers
  • One of the best-reviewed spa accessories on Amazon UK

Cons

  • Only compatible with select Intex PureSpa models
Check on Amazon →

FAQ

What’s usually included in a new pool pump and filter kit?

Typically, you'll receive the pump itself, the filter housing, inlet/outlet connections, and sometimes basic plumbing fittings. However, it’s rare to find a dedicated priming plug or any specific cleaning tools – these are often extra purchases.

I’ve noticed my new pump isn’t running; what could be causing this?

Firstly, check the power supply and ensure it's correctly connected. Many pumps require priming with water before starting, so verify that you’ve followed the manufacturer’s instructions for filling the pump chamber.

What kind of pipe sealant should I use to connect the pump and filter?

Silicone sealant specifically designed for plumbing is recommended; avoid using general-purpose sealants as they may degrade over time or not provide a watertight seal. Ensure you clean the joints thoroughly before applying.

Do pool pumps require any specific lubricants?

While some pumps have lubrication points, it’s generally advised to consult the manufacturer's manual first. Using the wrong lubricant can damage seals and reduce pump efficiency.

What is a ‘primer plug’ and why do I need one?

A primer plug creates a vacuum in the pump chamber during startup, forcing water into the system and allowing it to prime correctly – this is crucial for initial operation. You'll almost certainly require one separately.

How often should I change the filter cartridges?

The frequency depends on usage and debris levels, but a general guideline is every 3-6 months. Regularly check the pressure gauge on your filter housing to determine when it’s time for a replacement.

My pool water isn't clear after running the pump – what am I missing?

A dirty or blocked filter is the most common cause; ensure you are cleaning your cartridge filters regularly according to the manufacturer’s guidelines. Consider also checking the pump strainer basket for debris.

What tools will I need beyond basic plumbing supplies?

You’ll likely require a pipe wrench, adjustable spanner, and possibly a hacksaw or multi-tool for cutting pipes to length, depending on your installation.

Are there any specific electrical considerations when installing a pool pump?

Always ensure the installation complies with local regulations and safety codes. Consider using a Residual Current Device (RCD) for added protection against electric shock.

What’s the purpose of a flow meter on a pool pump?

A flow meter measures the volume of water being pumped, allowing you to monitor your pump's performance and ensure it's operating within its specified range. Regularly checking this helps prevent energy waste and maintains optimal filtration.

In depth

Let’s be honest: when you’re researching a pool pump and filter system, it's easy to get swept up in the initial cost of the main equipment. However, maintaining a healthy and efficiently running pool involves significantly more than just the pump and filter itself. Many buyers overlook the essential accessories and consumables that are absolutely vital for optimal performance, preventing costly repairs down the line, and ensuring your water stays sparkling clean. This deeper dive will outline the common additions you’ll need to consider alongside your chosen system – items frequently omitted from initial purchase quotes but crucial for long-term pool health.

First, let's address the fundamental components related to circulation. A good quality pump won’t function optimally without a robust pipework setup. Ensure you have an adequate supply of flexible PVC conduit and fittings in various sizes to accommodate your specific pool dimensions and system layout. Consider the length required – longer runs necessitate more fittings, and these can quickly add up. Don't underestimate the importance of pressure-rated unions for connecting different sections of piping; a weak joint here can lead to leaks and reduced flow rates. Furthermore, you’ll need some form of pipe insulation to protect the pipes from freezing temperatures in winter, preventing bursts and potential damage. Stocking up on replacement fittings – elbows, tees, couplings – is also wise; even minor issues can quickly escalate if spare parts aren't readily available.

Beyond circulation, water quality management relies heavily on supplementary equipment. A reliable chemical dosing system is non-negotiable. This typically involves a separate pump dedicated to dispensing chemicals like chlorine or bromine directly into the pool water, rather than relying solely on the main circulation pump for this task. Look for systems with adjustable flow rates – essential for accurate dosing and preventing over-chlorination. Alongside this, you'll need test kits; comprehensive sets that allow you to monitor pH, alkalinity, calcium hardness, and chlorine levels regularly are indispensable. Don’t skimp here – cheap test strips often provide inaccurate readings, leading to improper chemical additions. Consider also investing in a digital thermometer; accurate temperature monitoring is vital for maintaining water balance and preventing algae blooms.

Now let's move onto the consumables that will require regular replenishment. Filter cartridges or elements are arguably the most frequently replaced component of any pool system. The lifespan of these varies significantly depending on factors like water clarity, bather load, and filter type (sand, diatomaceous earth, cartridge). Factor in a significant ongoing expenditure – budget at least £50-£150 annually, possibly more if you have heavy usage or particularly dirty water. Equally important is the supply of pool algaecide; regular doses are necessary to prevent unsightly green algae growth, especially during warmer months. Similarly, you’ll need to replenish your stock of pH adjusters (acid and soda ash) for maintaining optimal alkalinity levels. Consider also purchasing a dedicated filter cleaner – these specialized products remove oils and debris that accumulate within the filter matrix, extending its lifespan considerably.

Don't overlook the importance of pool covers and accessories related to water maintenance. A good quality cover is crucial for reducing evaporation, preventing debris from entering the pool, and conserving heat. Consider the material - durable polyethylene covers are a popular choice for UK pools due to their resistance to UV damage. Alongside the cover, you’ll need netting or skimmer baskets to collect leaves and other floating debris before they clog your filter. A telescopic pole is essential for reaching those pesky leaves trapped in the deepest corners of the pool. Regularly cleaning around the waterline – removing dirt, algae, and phosphate build-up – will significantly improve water quality and reduce the workload on your filtration system.

Finally, think about long-term maintenance and potential issues. A good stock of plumbing tape is vital for sealing connections and preventing leaks. You’ll also need a pool brush with a durable stainless steel or nylon bristle head for cleaning the pool walls and floors – regular brushing prevents algae from adhering and improves water circulation. Consider investing in a pool vacuum, either manual or automatic, to remove sediment and debris from the pool bottom. Lastly, keep a supply of pool shock treatment on hand; this concentrated chlorine solution quickly eliminates organic contaminants and boosts your sanitizer levels after heavy bather loads or periods of intense sunlight. Remember that proactive maintenance is far more cost-effective than reactive repairs – equipping yourself with these supplementary items will safeguard your investment and ensure years of enjoyable swimming.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.

How we choose products