The 9 Best Water harvesting kits (2023 reviews)

The latest earthminded water harvesting kit is an absolute beast in terms of its features, and rightfully takes the top spot with ease. It is the way to go if you want the basics needed to effectively fill your rain barrel. It includes a spigot designed for filling watering cans and a connection for a soaker hose. It is easy to install, works perfectly filling the rain barrel with each rainfall. It allows too much water to pass by the barrel. It has two hole saws, which will be usable for other needs, a reusable level, etc., etc. It works with square downspout too.

This is a great kit for a beginner, maybe even better for someone who wants a starting point to tinker with designs of their own.

Why We Like This:

Feel really good about conserving water, and saving money at the same time
Works well, great for diy project
Works great and easy to assemble
Easy to install and very little fuss

Best With any Plastic or wooden Rain Barrel: Earthminded Rain Barrel Kit

Buy on Amazon

The earthminded rain barrel kit gives the top-tier kit a run for their money by offering flagship specs at a much more affordable price. It is amazing as to how much rain can be collected from a rooftop gutter diverter. This earthminded rain gutter diverter helps you collect and conserve chemical-free rain water. The patented flexifit diverter installs easily by drilling a single hole into any standard 3 ” x 4 ” rectangular downspout. It is so lose inside of that gasket that it just keeps turning as long as you apply a bit of force to it.

The threaded seal that is included with this kit is designed for a standard three-quarter inch fitting. It also comes with a plug for winterizing the downspout and barrel once the cold weather sets in. This design works best when the diverter is placed directly across from the inlet hole on the Side of the container. This is a great rain water collection kit.

Why We Like This:

High quality components, especially the unique, flexible diverter
Great, easy to install, effective rain diverter
Works great for collecting the rain from the downspout
Everything you need including drill sets, hosing and rain gutter insert

Best With wheel: Oatey Water harvesting Kit

Buy on Amazon

Next on the list, we've got yet another kit that manages to win our hearts. It's the oatey water harvesting kit and it's widely considered as one of the best convenient kit you can buy. If you have a standard 2x3 aluminum down spout, this rain diverter will mount fairly easily. It uses the fact that water tends to run along the edges and debris in the middle to route water to your rain barrel to avoid using filters. It runs straight thru the plastic hose into the barrel. The tube goes directly into the rain barrel.

The rain barrel is not sealed, so there is no intent for water to pool back up to diverter when the barrel is filled. It is super easy to install and no hassle to seal up when you need to winterize your rain barrel. There is a removable screen that collects debris. The barrel and the filler pipe fill up, so no more water flows to the barrel.

Why We Like This:

Easy to install and works flawlessly
Very good design compared to some over-complicated others
, a very clean look and a relatively easy set up

Best For vegetables: mirainbarrel Water harvesting Kit

Buy on Amazon

The mirainbarrel water harvesting kit should be able to handle its purpose and duties with ease. It would be easier to just buy a barrel on Craigslist and build what you want. It is designed with a break away style spigot that is easy to repair if a lawnmower or other reason knocks it off. A screw on lid covers the entire top and comes with it. It's food grade and super sturdy.

The lid that comes with this has a hole in the top to be hooked up to a drain system which they send. It is a extra filter to help keep your barrel clean and good way to keep misquotes from breeding in your barrel as well. The overflow is very high. It's very sturdy and the spigot is brass, instead of plastic, which is good for longevity.

Why We Like This:

Such a comfort for desert gardens, trees too
Easy to install, great for watering garden flowers and vegetables
58 gal rain barrel, diy kit, made from previously used food grade barrel
Plastic bucket barrel lid opener tool

Best For homemade Rain Barrels: Amerimax Home products Water harvesting Kit

Buy on Amazon

The amerimax home products water harvesting kit's high-end materials makes sure that it ages well with use. This diverter usually produces just a light trickle of water, so positioning it directly above a 3 to 4 inch opening may work, although wind may create a problem for you. This collects about half the rainwater during every rain shower that runs through the pipe. If you set it to just a couple inches of incline from your rain barrel to your downspout, this has an automatic backfill function in which the rain water will push back up the hose and just dump into the remaining downspout.

The top is easy to get into the diverter. While this rain catcher is pretty easy to install, it only catches a relatively small fraction of the water passing through it.

Why We Like This:

Easy to install with a few changes
Very easy to install, can probably do it without the instructions
Delivers what they promise

Best With nozzle: mirainbarrel Plastic Barrel

Buy on Amazon

If you want nothing less than best desirable kit, then mirainbarrel plastic barrel is the one you should definitely consider, as it manages to bring a lot to the table. The food grade barrels are very durable, and the lower spigot is already attached. The "softer" rain water is also a healthier way to water the plants in your home and/or garden due to it's highly oxygenated, salt and fluoride free properties. The spigot on the black rain barrel sits approximately 10 inches from the ground. The rest of the assembly is easy with a drill and a screwdriver.

The barrel itself is food grade plastic. The entire lid is removable, and it is a 2-peice twist off lid.

Why We Like This:

Extremely sturdy, no funky olive smell
Best to place on raised platform to enable filling watering cans by gravity
A must have for hand watering
Food grade, tough, installation parts included in barrel

Best For Plastic Barrel: Musibo Water harvesting Kit

Buy on Amazon

Next on the list, we've got yet another kit that manages to win our hearts. It's the musibo water harvesting kit and it's widely considered as kit that has the most suitable features. It is made of brass, which is more durable, rust-free, corrosion-proof, long-lasting and pollution-free than the spigot made of plastic. There is a nut on inside to secure the spigot to the barrel.

Why We Like This:

Able to turn on spigot and just let water flow into planter
Good quality brass, easy to install
Good investment for long term

Best For building: Tintsabo Water harvesting Kit

Buy on Amazon

If you often find yourself confused about convenient and suitable kit, tintsabo water harvesting kit is your end point. The tintsabo rain barrel diverter, rainwater collection system is very well made and sturdy. It is built out of very sturdy plastic, same as pvc. It can be used regardless of if you need left or right sided barrel placement since the spigot can be attached to either side. This downspout diverter for rain barrels uses double ear fixed mode, so you can fix the rainwater catching system to the wall so that the pipe can catch the clean and natural rainwater.

This unit can get filled with leaves and you will have to take the unit apart to clean it. There is also a stopcock for temporarily turning the active port off, such as if the barrel is full. The sturdy and beautiful rainwater separator easily blends in with your plumbing, and you can decorate it to your liking. This is a wonderful way to keep water bills down in the summer months, and so much better for your garden than water with chemicals, and it's also good for the environment.

Why We Like This:

Nice rain diverter with some built-in filtering
Good brand reputation

Best With Storage Tank: Rain harvesting Water harvesting Kit

Buy on Amazon

The rain harvesting water harvesting kit should be able to handle its purpose and duties with ease. The rain barrel linking kit allows you to connect two rain barrels to increase your storage capacity. It comes with clear instructions for installation, and you can set up an additional rain catchment barrel without extensive knowledge.

Why We Like This:

Set up an efficient rain catcher system and harvest a self-reliant water supply
Extend your rainwater collection system fast, with no fuss
Need for extra tools, glue, or plumbing skills