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Rainwater Irrigation

Gravity-Rainwater-Irrigation

"If you only do one thing... collect rainwater."
– Bill Mollison, "Father of Permaculture"

The importance, the need, for both residential and commercial rainwater collection systems becomes more and more critical with every news article about water shortages; with every video of forest fires, of floods, of erosion, of droughts breaking all-time records.

Because rainwater reservoirs frequently sit on ground level, Blumats and BluSoak have a unique irrigation advantage —  they will work on very low or even (the Classics) without any pressure at all. They don't need a pump or a highly raised reservoir.

19 products


  • BluSoak 2.0 Drip Tape - 100'-1

    BluSoak 2.0 Drip Tape - 100'

    1 review

    Going fast!

    Description The BluSoak 2.0 when placed on the surface of soil or another growing medium ensures effective irrigation. This tape can be connected to Tropf Blumats and requires no electricity, batteries, timers or controllers. Without electricity, batteries, timers or controllers; BluSoak 2.0 connected to a Tropf Blumat will assure automatic, even irrigation while minimizing water and nutrient use. It saves time, water, labor, and nutrients while increasing yields and plant health. How it works: In order to compromise between extreme performance and high cost, the BluSoak drip tape was introduced as a component to extend the watering ability and distribution of each Tropf Blumat sensor. BluSoak drip tape finds a balance between the highest level of performance and the lowest costs possible. Water leaks out at an extremely slow rate which can almost completely stop water loss from evaporation if under a good mulch. Because the water goes so slowly, it goes deeper instead of horizontally away from the roots. And because it goes deeper, the roots go deeper giving the plants access to nutrients usually below their reach. It makes the plants stronger, more drought tolerant, and increases yields. Due to its porous material the drip tape emits water at an extremely slow pace along its entire surface through billions of micropores. By placing the tubing on the ground alongside the plants, the drip tape slowly emits water into the soil that gradually is absorbed onto the root zone. Because moisture levels are kept at an optimal range, plant productivity and quality improve. The BluSoak 2.0 is able to irrigate all different types of crops with different types of water demands. This is a solution to gardens with high square footage and/or canopy space that want to utilize Blumat technology. BluSoak tape systems are ideal for garden beds, raised beds, and other large volumes of soil or growing media. This can provide the ideal moisture levels and growing environments for high square footage and canopy spaces, greenhouses, traditional garden beds, living soil, and many unique cultivation challenges. This method of combining Blumats with BluSoak 2.0 results in healthier, faster growing, and higher yield harvests due to its water efficiency by delivering water only when the plant requires it.

    Going fast!

    $85.05

  • Water Level Indicator

    Water Level Indicator

    Description One of the main troubles people have with Gravity Blumat systems comes from forgetting to refill the reservoir and letting the carrots dry out. With this simple water level indicator installed, you can see with a quick glance how soon you'll need to refill. If you already have a 5-gallon bucket system, you can just add on the water level kit with this product. Components This Kit includes: 1' 8mm Clear Flex Tube (IG18177) 1 Blumat 8mm Tee (IG15581) 1 8mm Union (IG15638) Two Zip-Ties Bucket NOT included

    $12.94

  • Blumat 6 Sensor Drip Irrigation Kit  - Gravity-1

    Blumat 6 Sensor Drip Irrigation Kit - Gravity

    Going fast!

    Description This small kit designed to water up to six plants or 2.5 square meter gardens lets you quickly test out Blumats yourself. Easy to upgrade later by just adding on these Blumat systems can adjust to any plant type or desired moisture level. This specific kit comes with 5" carrots, which are better for smaller potted plants (10 gallons at most). If you have large plants (in 10+ gallon pots), we recommend using 9" carrots, or Maxis, to get water deep into the soil. Increase your yields and decrease grow times. Our fully-automatic, self-watering systems save time, water, and nutrients - and still ensure healthier, more potent, and faster-growing crops. Perfect for landscapers and home gardeners. It is easily installed with a pair of scissors and connects directly to your hose, tap or rain barrel with the help of the Pressure Reducer. This kit includes six, 5" carrots and all parts required for a gravity-fed system. Reservoirs should be at least 3' above ground-level. An optional Pressure Reducer attached to garden hose or faucet can provide enough water for up to 500 Blumat Carrots. If your reservoir does not have a thru-hull installed, you will have to drill a hole into your reservoir bucket and install a thru-hull piece. For our customers' convenience, we also sell 5-gallon reservoirs with thru-hulls already installed. The Tropf Blumat system is great for watering balcony boxes, planters, hanging baskets, and row crops. It fulfills the needs of the plants on an individual basis, regardless of their location, light levels, or plant type. Our systems save your plants from excessive and improper watering. Tropf Blumat systems are ideal for plant groupings that require consistent moisture, such as vegetable gardens, bushes, flower beds, grow bags and greenhouse containers. Not only do your plants receive the right amount of water, slow and consistent dripping ensures that your plants receive warmed water, avoiding shock. This Deck and Planter Kit is a great way to start your customized irrigation system. The flexible system can be expanded to include up to 500 drippers. See 'Blumat Accessories' to expand our systems to your specific needs. How it works The Tropf Blumat self-watering system functions automatically. As the soil dries, a vacuum and hydro-static pressure, coupled with a spring-loaded gating mechanism, pulls water from the main line. When the soil is sufficiently moist, pressures equalize, and the Tropf Blumat automatically stops taking in water. Each Blumat Outdoor Sensor in the Deck and Planter Set covers an area 12 inches in diameter. To expand and customize your own system, add additional Supply Hoses, Outdoor Sensors, and Distributor Drippers. PLEASE NOTE: This system does not include a Pressure Reducer or water source. A pressure reducer is needed if you are connecting your system to a threaded spigot, such as your hose/home water supply or the spigot on a rain barrel or reservoir. Note: Tropf Blumat systems are not recommended for indoor use. If hooked up to a constant water source, a pet, guest, or user-error could causes a run-away, damaging an indoor floor, drywall, carpet, or furniture. For this reason, we recommend Blumat Classics (Juniors) and bottle adapters for houseplants, and Tropf-Blumats for greenhouses, grow rooms, decks, and outside gardens. Please contact us for any help, we are always here to help make your life easier. Components This Kit Includes: 6 Blumat carrots (5") (IG17188) 7 meters (23 feet) of 8mm tubing (IG15634) 1 Tee Splitter (IG17310) 1 Elbow Splitter (IG15595) 1 Hose Coupler (IG15638) 1 Hose End-Piece (IG15986) 1 Rain Barrel/Gravity Tank Connector and Installation Instructions (IG15691) 1 Pipette (IG15651)

    Going fast!

    $74.99

  • Blumat 12 Sensor Drip Irrigation Kit - Gravity Deluxe

    Blumat 12 Sensor Drip Irrigation Kit - Gravity Deluxe

    7 in stock

    Description Our medium kits are designed to water areas up to 3.5 square meters, or 12 potted plants. As an upgrade from the popular standard medium kit, our deluxe kit includes parts to make a continuous loop, which equalizes water pressure and always assures partial water flow - even if some of the tubing gets clogged, kinked or blocked. This kit is meant to be hooked up to a gravity system, and includes the bulkhead fitting to be hooked up to your reservoir. It also includes a pipette and a valve to let out air bubbles and sediment. Blumat systems can adjust to any plant type or desired moisture level. This specific kit comes with 5" carrots, which are better for smaller potted plants (10 gallons at most). If you have large plants (10+ gallon pots), we recommend using 9" carrots, or Maxis, to get water deep into the soil. Increase your yields and decrease grow times. Our fully-automatic, self-watering systems save time, water, and nutrients - and still ensure healthier, more potent, and faster-growing crops. Perfect for landscapers and home gardeners. It is easily installed with a pair of scissors and connects directly to your hose, tap or rain barrel with the help of the Pressure Reducer. This kit includes twelve, 5" carrots and all the parts required for a gravity-fed system. Reservoirs should be at least 3' above ground-level. An optional Pressure Reducer attached to garden hose or faucet can provide enough water for up to 500 Blumat Carrots (See 'Related Products'). If your reservoir does not have a thru-hull installed, you will have to drill a hole into your reservoir bucket and install a thru-hull piece. For our customers' convenience, we also sell 5-gallon reservoirs with thru-hulls already installed. The Tropf Blumat system is great for watering balcony boxes, planters, hanging baskets, and row crops. It fulfills the needs of the plants on an individual basis, regardless of their location, light levels, or plant type. Our systems save your plants from excessive and improper watering. Tropf Blumat system are ideal for plant groupings that require consistent moisture, such as vegetable gardens, bushes, flower beds, grow bags and greenhouse containers. Not only do your plants receive the right amount of water, slow and consistent dripping ensures that your plants receive warmed water, avoiding shock. This Deck and Planter Kit is a great way to start your customized irrigation system. The flexible system can be expanded to include up to 500 drippers. See 'Blumat Accessories' to expand our systems to your specific needs. PLEASE NOTE: Tropf Blumat systems do not include a Pressure Reducer. You will need this if you are connecting your system to a threaded spigot, such as your hose/home water supply or the spigot on a rain barrel or reservoir. The Pressure Reducer is in 'Related Products' below. This system does not include a water source. See 5-gallon Reservoirs below, sold with or without thru-hulls installed. Let us know if we can help you select the right products for your custom irrigation system! Components This Kit Includes: 12 Blumat Carrots (5") (IG17188) 3 Blumat Tees (8mm-to-3mm) (IG15653) 7 Meters (23 Feet) of Superflex Tubing (IG16694) 2 Blumat Tee Splitters (IG17310) 1 Elbow Splitter (IG15595) 1 Hose Union (IG15638) 1 Hose End-Piece (IG15986) 2 Rain Barrel/Gravity Tank Connectors (IG15691) 1 8mm Shut-Off Valve/Air Purge (IG15697) 1 Plastic Pipette (Removes Bubbles from Blumats To Ensure Proper Function) (IG15651)

    7 in stock

    $139.00

  • Bulkhead Fitting 3/4" male hose x 1/2" FPT-1

    Bulkhead Fitting 3/4" male hose x 1/2" FPT

    Description Just a regular Bulkhead Fitting 3/4" male hose x 1/2" FPT Use to connect a large supply line into your reservoir. Great for gravity systems!

    $4.90

  • Going fast! Blumat XL Gravity Kit - Automatic Watering Irrigation System for up to 40 Plants-1

    Blumat XL Gravity Kit - Automatic Watering Irrigation System for up to 40 Plants

    2 in stock

    Description This kit, like the more common Blumat XL pressure kit, is tuned for gravity-fed systems rather than a pressure system, which means it's also electricity-free. It does not include a pressure regulator, but it does come with 2 thru-hull adapters (for connecting to a reservoir), an on/off valve, and an extra Tee splitter. This way, you can easily incorporate the recommended loop method into your system (instructions included.) If you love plants, you'll love these Blumat kits. From a reservoir, this one will easily water two, 4'x8' raised beds or a large combination of plants in pots, planter boxes, or various landscaping. 40 Blumat sensors will ensure that your crops are properly watered - even when you're not home! Installation instructions Increase your yields and decrease grow times. Our fully-automatic, self-watering systems save time, water, and nutrients - and still ensure healthier, more potent, and faster-growing crops. Perfect for landscapers and home gardeners. This kit includes forty 5" carrots and all the parts required for a gravity-fed system. Reservoirs should be at least 3' above ground-level. The Tropf Blumat system is great for watering balcony boxes, planters, hanging baskets, and row crops. It fulfills the needs of the plants on an individual basis, regardless of their location, light levels, or plant type. Our systems save your plants from excessive and improper watering. Tropf Blumat systems are ideal for plant groupings that require consistent moisture, such as vegetable gardens, bushes, flower beds, grow bags and greenhouse containers. Not only do your plants receive the right amount of water, slow and consistent dripping ensures that your plants receive warmed water, avoiding shock. How it works The Tropf Blumat self-watering system functions automatically. As the soil dries, a vacuum and hydro-static pressure, coupled with a spring-loaded gating mechanism, pulls water from the main line. When the soil is sufficiently moist, pressures equalize, and the Tropf Blumat automatically stops taking in water. PLEASE NOTE: This system does not include a water source. See our 5-gallon Reservoirs, sold with or without thru-hulls installed. Let us know if we can help you select the right products for your custom irrigation system! Components This Kit Includes: 40 Blumat Sensor Carrots (5") (IG17188) 15 Meters 8mm Water Supply Tubing (IG15634) 2 Bulkhead Fitting (8mm Thru-Hull) (IG15691) 2 Tees (8mm) (IG15653) 1 Elbow (8mm) (IG15595) 1 Reducing Tee (8x3x8mm) (IG15476) 2 End Pieces (3mm to 8mm elbow) ( IG15986) 1 Shut Off valve (IG15697)

    2 in stock

    $379.70

  • Water Level Indicator - For 55 Gallon Reservoir (3')-1

    Water Level Indicator - For 55 Gallon Reservoir (3')

    Going fast!

    Description By far, the main trouble people have with gravity Blumat systems comes from forgetting to refill the reservoir and letting the carrots dry out. With this simple water level indicator installed, you can see with a quick glance how soon you'll need to refill. If you already have a 50 or 55-gallon drum, you can just add on the water level kit. Components This product includes: 3' 8mm Clear Flex Tube (IG18177) 1 Blumat 8mm Bulkhead (IG15691) 1 Blumat 8mm Tee (IG15581) 1 8mm Union (IG15638)

    Going fast!

    $12.77

  • 5-Gallon Reservoir w/ lid - no attachment parts-1

    5-Gallon Reservoir w/ lid - no attachment parts

    Description This is only the 5 gallon plastic reservoir and lid for Blumat Systems. This does not come with attached parts.   See kits for Blumat Gravity systems to use with reservoirs.

    $32.45

  • Garden BluSoak Kit, 50'-1

    Garden BluSoak Kit, 50'

    Going fast!

    Description Keep those long rows, planter boxes, or plants against a fence in good watering shape. This kit includes 50 feet of BluSoak with a Blumat sensor and fittings. If the ground is flat and the moisture evenly spread out, you can put the sensor directly in the ground. If uneven elevation or soil types, you can put the sensor in a pot or container and use tht to adjust the moisture levels. If you manually turn the water on and off or use a timer, you can use the Blumat sensor as a flow controller.

    Going fast!

    $42.00

  • Gravity System Timer w/ Adapters-1

    Gravity System Timer w/ Adapters

    14 in stock

    Description PERFECT FOR RAIN BARREL(S) - Ideal for automating gravity-fed irrigation and drip irrigation kit(s)! NO PRESSURE REQUIRED - Unlike competitors, this timer has no minimum pressure requirement! AUTOMATIC GRAVITY WATERING - Unlike rainbird, rachio 3, and orbit timers, this will work w/ gravity! BLUSOAK/EASYSOAK COMPATIBLE - Fittings for 3/4", 1/2", and 8mm included! WIRELESS, WIFI-FREE, BATTERY POWERED - No wifi, no wires, no excessive EMF, just batteries! Forget wasteful lawn sprinkler(s), so-called smart sprinkler controller(s), and systems with excessive drip irrigation parts. This timer is so low-fuss and user-friendly that you'll be throwing away your water sprinklers for lawns, rainbird, rachio 3, and orbit systems. This is the perfect battery-powered timer for any garden watering system, but is ideally suited for gravity-fed systems.Other irrigation timer(s) and wifi sprinkler controller(s) require a minimum pressure input to operate. These timers generally require 10-15PSi to function--but not this gravity system timer. It allows for drip system integration from rain barrel(s) or passive gravity-powered garden irrigation system(s).  Intervals can be set anywhere from 1 hour to 1 week, with on times capable of being set to 1 minute up to 120 minutes.This could also be used as garden hose timer, water hose timer, watering timer, outdoor hose timer, hose timer outdoor, hose faucet timer, but it will really shine as a drip irrigation timer and/or garden water timer. Components The following fittings are included: IG15639 3/4" FHT x 1/2" FPT Swivel (IG15639) 3/4" Garden Hose Quick-Connect IG15716 1/2" MPT x 1/2" Barbed Insert (IG16263) IG15540 1/2" MPT x 8mm Barbed Insert (AG15807) This timer uses 2x AA batteries, which are not provided. Dials operate the intervals and on-time, and the timer has a 3/4" Female Hose Thread (FHT) Input (perfect for garden hoses), and a 3/4" Male Hose Thread (MHT) output.This will work ideally with BluSoak and EasySoak Drip Tape watering systems.    

    14 in stock

    $50.40

  • Bulkhead Fitting to 1/2" Barbed Insert-1

    Bulkhead Fitting to 1/2" Barbed Insert

    Description Bulkhead Fitting 3/4" male hose x 1/2" FPT that also comes with the fitting to allow you to connect to a 1/2" line, thanks to 1/2" insert and clamp. Use to connect a large supply line into your reservoir. Great for gravity systems!

    $8.93

  • Backyard Irrigation Kit

    Backyard Irrigation Kit

    Going fast!

    Description A simple and elegant way to water your outdoor potted plants and raised garden beds, this kit supplies everything you need except for the water. Just put the 5 gallon bucket near where you want the irrigation, attach the XL Blumat Classic watering stakes, and insert them into the potting mix or soil. The Blumats wick moisture as the plants deplete it, irrigate on the plants schedule instead of an arbitrary timer, and saves precious water. To increase or decrease the moisture content in your containers, just raise or lower the bucket. UN secretary general, António Guterres, says "we've passed the era of global warming" and “the era of global boiling has arrived." According to new scientific studies, less moisture in the soil leads to more severe heat waves while more soil moisture lowers air temperature. We designed this kit as a simple and inexpensive way almost everyone can help. You can let it fill up from rain, from a hose, or normally-wasted water like the water from a sink, shower, or bath that goes down the drain while we wait for it to get hot (just put a watering can or container under the faucet). Download installation instructions here.

    Going fast!

    $134.33

  • Garden BluSoak Kit, 100'-1

    Garden BluSoak Kit, 100'

    Going fast!

    Description This kit include 100 feet of BluSoak (IG18206)

    Going fast!

    $102.90

  • 5 Gallon Basket Strainer - 12" x 2.4" 18 mesh-1

    5 Gallon Basket Strainer - 12" x 2.4" 18 mesh

    Description Build your own rainwater catchment system. Put this strainer on top of your reservoir and route a rain gutter into the top of the basket. Works well with standard 5 gallon buckets.

    $22.38

  • Bulkhead Fitting - 3/4"-1

    Bulkhead Fitting - 3/4"

    Going fast!

    Description 3/4" Bulkhead Fitting

    Going fast!

    $16.22

  • Backyard Garden Kit, Hub-1

    Backyard Garden Kit, Hub

    Going fast!

    Description An easy and economical way to  automate a Blumat and/or BluSoak system. Just attach this to a 24/7 water line and gravity will take care of the rest.  For small systems, this is a simple way of controlling your pressure without needing an expensive pressure regulator - just make the reservoir higher for more water, lower for less.  The included fittings give you a choice of connecting to your water supply line with either a 1/2" male pipe thread, a 3/4" FHT, or an 8mm Blumat line. If your water source has over 50 psi pressure, add this (or similar) high quality but inexpensive pressure reducer: IG16309. Components  This Kit Includes: 1 - Side-Mounted Float Valve 1 - 3/4" FHT x 1/2" FPT Swivel Adapter 1 - 8mm BULKHEAD / Through-Hull Tank Connector 1 - Roll of Teflon Tape 1 - Garden Hose Adapter - 3/4" Male Hose Thread (MHT) to 8mm Barbed Insert 1 - 5 Gallon Bucket w/ Lid 1 - Basket Strainer 12" x 2.4" 18 mesh  

    Going fast!

    $76.93

  • Rainwater Irrigation Watering Kit-1

    Rainwater Irrigation Watering Kit

    Going fast!

    Description Rainwater Irrigation Kit Components This Kit Includes: 1 - Irritec Tape x 600 Hose Fitting (IG17243) 100 ft. Drip Tube 1/2" (IG15714) 1 - Gravity System Timer (IG17614) 1 - Bulkhead Fitting 3/4" Male Hose x 1/2" FPT (IG15494) 1 - Filter Screen, 1/2" FPT (IG18249) 3 - Perma-Loc 1/2" Elbows (IG16747) 1 - Perma-Loc 1/2" Swivel Adapter (IG16745) 33 ft. BluSoak 2.0 Drip Tape (IG18206) 1 - BluSoak Drip Tape End/Flush Plug (IG16065)

    Going fast!

    $133.42

  • Tree & Shrub Drinks: Elbow Soaker-1

    Tree & Shrub Drinks: Elbow Soaker

    Description Sink your water deep where it won't evaporate and will get where your big roots need it most. Have you ever scratched the ground surface after a big rain or watering expecting lots of wet earth only to find only surface moisture? That's where most drip irrigation gets the water. This is fine for small plants but what about your big trees and shrubs? These 7" soaker stakes will solve the problem. Just install inline with standard 1/2" drip tubing and watch how much faster your large plants grow. The elbows are for single site application or to end a series of stakes. 

    $1.05

  • 55 Gallon Basket Strainer - 16" x 7.1" 18 mesh-1

    55 Gallon Basket Strainer - 16" x 7.1" 18 mesh

    14 in stock

    Description Build your own rainwater catchment reservoir with this 16" strainer and with a bulkhead fitting, quickly set-up your own rainwater irrigation system. Unlike our 5 gallon version that fits on almost all 5 gallon buckets, these fit some, but not all 55 gallon drums. If the opening on your barrel has a hole on the top bigger than 16"  you'll need to either cut a circle for it in the top you have, or in something else that will cover the rest of the reservoir's top -- and you can use these same methods with for almost any size reservoir.

    14 in stock

    $52.24

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