Sumi Soaker Mark II — Overhead Irrigation Tubing

$27.00
$27.00
Length
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AT A GLANCE

The Sumi Soaker Mark II uses fine mist technology with an 80-degree spray angle to deliver gentle, uniform coverage for seedlings and delicate crops. Its rectangular spray pattern covers up to 13 feet wide (6.5 feet on each side), eliminating the dry spots common with circular sprinklers.

The Mark II operates at ultra-low pressure (12 PSI maximum), making it compatible with limited water systems. UV-resistant Japanese polyethylene construction delivers 10+ years of reliable service with minimal maintenance. The lightweight 11-pound design makes one-person setup easy, and cut-to-length flexibility with an adjustable sliding stopper lets you create custom configurations up to 328 feet long.

Genuine Sumisansui products made by Sumika Agrotech, Japan. 

PERFECT FOR

The Mark II's steep spray angle sends water up and over rather than out to the sides, making it ideal for irrigating around the curved walls of low tunnels and over taller crops like mature lettuce or brassicas.

The ultra-gentle 0.20 inch/hour application rate prevents soil crusting and transplant shock in propagation houses, and the 13-foot coverage width matches standard 3-4 bed blocks for precise water management across succession plantings.

MARK II VS R-WIDE: WHICH ONE DO YOU NEED?

The R-Wide has a low 35-degree spray angle that throws water out to the sides—covering up to 33 feet total (16.5 feet per side) while staying under 8 feet tall. It's built for open-field production where you want maximum coverage with fewer lines.

The Mark II's steep 80-degree angle sends water up rather than out, covering 13 feet wide but reaching 6.5 feet high. This taller, narrower pattern clears the curved sides of caterpillar tunnels and gets water over the canopy of tall crops.

Choose the R-Wide for wide-open field beds. Choose the Mark II for tunnels, hoophouses, and anywhere you need to spray up and over.

 


WHAT'S INCLUDED

  • Only the Sumi tubing. You will also need a Bed Add-On for each section.  

 

INSTALLATION NOTES & TECH SPECS

  • The Mark II performs best at 12 PSI, with a flow rate of 7.1 gallons per hour per foot of tubing. Lower pressure or flow rate will reduce the coverage area.
  • You can use our Garden Hose Connector to connect your Sumi irrigation system to your garden hose.
  • Pressure above 12 PSI will damage the Sumi tubing. We recommend using a pressure regulator. 
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DEEP DIVE

Real Benefits for Farmers and Gardeners

Time and Labor Savings

  • Quick Setup and Takedown: A single person can deploy or store a 100m line in under 15 minutes
  • Reduced Daily Management: No sprinkler heads to check, adjust, or unclog
  • Less Weeding Time: Rectangular spray pattern means no wet pathways that encourage weed growth
  • Simplified Maintenance: No mechanical parts to fail or maintain
  • Easy Crop Transitions: Quickly move between succession plantings without dismantling infrastructure

Water and Cost Efficiency

  • Lower Water Bills: Uses just 0.121 gallons per foot per minute at optimal pressure
  • Reduced Pumping Costs: Operates at low pressure (max 30 PSI), requiring less energy
  • Minimal Infrastructure: No need for expensive headers, risers, or complex plumbing
  • Long-Term Durability: UV-resistant material lasts 10+ years with proper care
  • Better Water Distribution: Rectangular pattern means water goes only where needed

Crop Quality Improvements

  • Better Germination Rates: Gentle mist prevents soil crusting and seed displacement
  • Reduced Crop Damage: No water droplet impact damage on delicate seedlings
  • Even Growth: Uniform watering eliminates dry spots and ensures consistent crop development
  • Lower Disease Pressure: Gentle spray reduces soil splashing that can spread pathogens
  • Improved Soil Health: Preserves soil structure and prevents compaction

Operational Flexibility

  • Adaptable Coverage: One line can cover up to 8 standard beds (30" beds with 18" paths)
  • Customizable Lengths: Cut to match your exact bed length needs
  • Mobile or Permanent: Use as portable system or install permanently
  • Weather Adaptable: Can be used early morning or evening to minimize wind impact
  • Season Extension Compatible: Works well in greenhouses, tunnels, and covered systems

Real-World Impact

  • Coverage Area: Irrigate up to 10,764 square feet (quarter acre) with a single 100m line
  • Crop Establishment: Typically see 90%+ germination rates in direct-seeded crops
  • System Longevity: 10+ years of service with proper care
  • Resource Efficiency: Potential 30-40% reduction in water usage compared to traditional systems

Market Garden Applications

Perfect for Standard Bed Systems

The SumiSoaker PRO is specifically designed to complement standard market garden bed layouts. With its 10-meter total coverage width (5m on each side), one SumiSoaker line can efficiently irrigate multiple beds:

  1. Covers 8 standard 30-inch (76cm) beds with 18-inch (46cm) pathways
  2. Perfect for central pathway placement
  3. Eliminates need for multiple sprinkler lines
  4. Reduces irrigation infrastructure costs

Crop-Specific Benefits

**Direct-Seeded Crops **

  • Gentle mist preserves soil structure and prevents seed wash-out
  • Uniform moisture for even germination
  • Ideal for delicate seeds like carrots, salad greens, and herbs
  • Maintains consistent soil moisture during critical emergence period

**Transplants **

  • Soft spray reduces transplant shock
  • Even coverage prevents dry spots
  • Perfect for establishing leafy greens, brassicas, and other vegetables
  • Promotes rapid root establishment

**Quick-Turn Crops **

  • Easy to move between succession plantings
  • Ideal for salad greens and microgreen production
  • Supports intensive growing methods
  • Perfect for quick crop establishment

**Field-Proven Results **

Market gardeners using the SumiSoaker Max consistently report:

  • Improved germination rates for direct-seeded crops
  • Significant water savings compared to overhead irrigation
  • Reduced labor costs for irrigation management
  • Better crop quality, especially in salad greens and leafy vegetables
  • Easy integration with succession planting systems