The two models can look relatively similar at first glance, but knowing the difference – and therefore knowing which one to choose – will make it easier to complete certain jobs. Piston Sprayer Of course, with a smaller tank capacity you will have to fill it more often if you plan to do larger jobs.

The fine spray from a piston sprayer will probably be more appropriate when applying liquid fertilisers etc. in a standard garden. Material and Durability With diaphragm sprayers, the pressure is created by a component pushing up and down on a flexible diaphragm. The droplets created by a diaphragm pump system are generally bigger than those from a piston sprayer because the pressure is slightly lower. Therefore, these can be useful to stop liquid products from blowing in the wind, but there is a danger that they will deliver products in too dense of a concentration. Make a note of the lance length from the product description and measure this against yourself. If you have to bend so that this measurement reaches from the floor to your hand, you may find that the lance of the manual pressure sprayer will not be long enough for you. Here are, what we consider, the seven best garden sprayers reviewed for you. We’ve chosen products that we think give you the best value for money, and that are affordable for everyone. Pressure release valve

My Top Recommended Knapsack Sprayers

This is a good quality garden sprayer, made in Germany and has Viton seals, ensuring a leak free gardening experience.
This garden sprayer’s dimensions are 19 x 19 x 50 cm and it weighs 1.5 Kg. There is a shoulder strap included to help handle the weight. For example, the spray that is produced from the lance is powerful enough without being overly pressurised, and the adjustable nozzle can be twisted to produce a range of different spray patterns – whether you want to mist the humidity-loving plants in your garden, or apply cleaning solution to your patio. Therefore, in terms of primary functions, this garden sprayer is very effective. In a piston pump pressure sprayer, there is a tube connected to the bottom of the main tank. Within this tube, a piston goes up and down to create pressure. Some piston sprayers are capable of delivering around 60 psi pressure. High pressure is useful for applying liquid fertilisers and spray herbicides because the droplet size will be smaller and therefore spread more evenly. Diaphragm Sprayer

Some of the more premium sprayers come with a choice of nozzles. If you want a particularly versatile sprayer, different nozzles are worth looking out for. These can help angle the jet for specific jobs like cleaning under car arches. However, the most important thing is to ensure the sprayer has at least an adjustable wand head to adjust the concentration of the water. This 5 litre garden pressure sprayer from makers Solo has been designed with a 3 bar operating pressure to keep you spraying for longer between pumping stops.
The 270 cubic cm pump has a strong handle and a smooth action and doesn’t take long to get to full pressure. Once fully pressurized, the sprayer will be able to operate until the 5 litre tank is almost empty. There is a space on the handle to securely store the spray wand when you are not using it In terms of task-completion time, you may find it more effective (and safer!) to have a smaller garden sprayer that you can move around with more easily, rather than a larger one. Adjustable Straps and a Comfortable DesignThere’s a problem with this though. Look at the picture and you see all the other components are plastic 🤔. You know that tells me the only purpose is to reduce leaks. You can’t connect a high quality brass to a cheaper plastic fitting and call the product higher quality surely? There’s definitely some contradiction going on there – please feel free to message in if there’s any logic behind that (@manufacturer). The components are all made from tough plastic and are shatter proof and frost resistant – something that is good to know when working out where to store tools over winter.

With just a 5 L capacity, it’s one of the smaller garden sprayers here, and may not be the best sprayer for large spaces; however, its small size does help to keep the weight down.

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No matter the quality of your pressure sprayer, it won’t last as long if you don’t wash it out well between uses. If you’re using any chemicals, such as weed killers, make sure that none of the solution is left in the tank after use – it could corrode the plastic over time. To prevent premature damage by the user, the pump piston has been given a well lubricated o-ring, and this also helps keep the pumping action smooth and easy. There is also a pressure release valve to stop you accidentally over pumping and damaging the sprayer. For large driveways or gardens that need a lot of care and maintenance, a garden sprayer with a larger tank will save you time as they won’t need refilling as frequently. Keep in mind that a larger tank will add a considerable amount of weight to the unit when full. A 2 litre garden sprayer is a good size for lighter gardening tasks such as spraying the underside of leaves or for use indoors. Their smaller size and weight means that they can be used in one hand and can be stored under the sink or anywhere else for that matter. This compact sprayer from Ansio does everything the larger models do. You can still use it to water, fertilize, spray pesticides, and fungicides. It still works on a pressure system that you need to pump up before use, and it still has an adjustable spray nozzle and pressure release valve, just like the others.