How Hollow Tines Boost Aeration and Turf Health

🌿 What Are the Benefits of Using Hollow Tines Compared to Solid Aerator Spikes?

Hollow tines, unlike standard solid aerator spikes, actually remove plugs of soil from the ground. This simple difference brings a few stand-out benefits:

Better Compaction Relief
By physically extracting soil cores, hollow tines do more than just poke holes—they genuinely open up the root zone, allowing air, water, and nutrients to reach deeper.

Superior Thatch Control
If thatch buildup is a concern, hollow tines offer a targeted solution, removing organic matter and helping keep the surface clear and playable.

Healthier, Resilient Turf
The combined effects mean that grass roots have the space and resources to grow thick, lush, and strong—ideal for golf courses, sports fields, or your backyard lawn.

💧 How Does the Process of Hollow Tining Improve Drainage, Relieve Compaction, and Promote Grass Growth?

Hollow tining—sometimes called core aeration—does far more than just remove small plugs of soil from your lawn or turf. It has powerful benefits, especially if you’re battling waterlogged soil, stubborn compaction, or patchy, tired-looking grass.

By extracting these cores:

  • Thatch layers are physically disrupted, making it easier for microbes to break down dead grass and organic debris.
  • Nutrients and water no longer get trapped above the surface—they can penetrate deeply, reaching the roots where they’re needed most.
  • Roots can expand more efficiently thanks to the loosened soil structure, resulting in thicker, stronger grass.

1. Unlocking Better Drainage

When soil gets compacted by repeated use or heavy machinery (such as fairway mowers, or a herd of teenagers with cricket bats), rainwater and irrigation run off instead of sinking in. By extracting narrow soil cores, hollow tining creates a network of mini-channels that give water a place to flow downward. This improvement in drainage keeps puddles at bay and helps roots breathe easy.

2. Relieving Soil Compaction

Over time, high-traffic areas—like golf courses or well-used lawns—tend to develop compacted soil. Compacted soil is like a packed suitcase—nothing more can fit in, especially not the essentials like air and moisture. Hollow tines break up this dense layer, instantly relieving pressure. The resulting ‘looser’ structure makes space for roots to stretch out and absorb what they need. This is particularly important for high-traffic areas like sports pitches, bowling greens, and well-loved backyards.

3. Encouraging Stronger, Greener Growth

With better airflow and improved water movement, grassroots can really get to work. Nutrients from fertilisers or organic matter are able to soak deeper into the soil profile, feeding the entire root system. Oxygen? No problem. The result: lusher, thicker, more resilient turf that stands up to drought, disease, and energetic golden retrievers.

4. Giving Thatch the Boot

Thatch (the spongy layer of organic material with dead roots and stems) can suffocate healthy grass if left unchecked. Hollow tining helps lift and break down this barrier, encouraging natural decomposition and keeping your lawn looking sharp. By removing plugs, hollow tining encourages the breakdown of this layer, helping to keep fungal diseases and pest problems at bay.

Whether you’re managing a high-end bowling green with Toro Procore, Groundsman or John Deere aerators, or you’re airing out your backyard with a Billygoat or Bluebird rental from the local garden centre, integrating hollow tining into your maintenance plan delivers benefits right where your turf needs them most.

For best results, groundskeepers and homeowners alike use high-quality hollow tines made from durable, wear-resistant alloys. There’s a reason you’ll trust our name Turf Tines—because compatibility and reliability matter when you’re maintaining a pristine green.

✅ How to Choose the Right Hollow Tines for Your Aerator

Selecting the right hollow tines for your aerator comes down to a handful of practical considerations:

Machine Compatibility
Always check your aerator’s make and model before shopping. Not all tines fit all machines, so double-check mount diameter size and machine maximum working depth (from the operations manual) to figure out your overall tine length—add 30mm for the mount and find your quantity needed. Aerators such as Toro Procore, John Deere, Redexim, Weidenmann or Jacobsen all have different tine holder block sizes,  tine quantity and  specification requirements.

Tine Length and Diameter Requirements
The overall length and core diameter of the tine affect the depth and width of the aeration cores. Shorter tines suit heavily compacted turf where only top layer soil relief is required, while longer, wider options reach deeper root zones and remove much more material. Check your ground using a thick screwdriver in a few areas and where you can push it in to is what depth you should set your aerator and maximum tine length at.

Soil and Turf Type
Consider your turf’s density and soil conditions. Heavier clay may benefit from robust, thicker-walled tines, while finer turf responds well to thinner, precision-designed hollow tines.

Durability
Look for tines made from hardened steel and durable alloys with good design such as thicker wall and longer nose area, as these stand up to heavy use and minimise replacements—especially on golf and bowling greens. Consider our premium tool steel or tungstun tines for greens.

Intended Use
Professional operations may opt for varied sizes for different grounds and seasons, while home lawn enthusiasts can start with standard selections such as 16mm, 19mm or 22mm outside diameter. Core removal efficiency matters for both, so don’t overlook research—one size does not suit all.

Evaluating these points ensures you’ll get the right tines for your specific machine and project the first time, helping you achieve your aeration on time.

🛠️ What Materials Are Hollow Tines Made From to Ensure Durability and Performance?

Our hollow tines aren’t just tough for show—they’re built from robust, high-grade alloys and hardened steels engineered to withstand repeated use under highly abrasive conditions. Our tines are always heat treated after being engineered, and some of our golf greens range are made from extra hard premium tool steel. This means you get lasting durability and reliable performance green after green, whether you’re swapping tines on a Redexim, John Deere, Weidenmann or Toro aerator. With resilient construction and attention to detail, these parts won’t let you down when it matters most.

Guide to Sports Turf Renovation: When, Why, and How to Bring Your Playing Surfaces Back to Life

Guest post “Guide to Sports Turf Renovation” for aspiring Turf Professionals is kindly contributed by Blaine Knox founder of Online Turf Management Academy

Is your turf showing signs of wear and tare despite your best maintenance efforts?

Understanding Sports turf renovation practices is essential for maintaining high-quality playing surfaces year-round. Water pooling after irrigation, thinning grass, spongy surfaces, or poor ball roll are all telltale signs that it’s time for renovation.

Whether you’re managing a golf course, sports field, or recreational facility Sports Turf Renovation knowledge is an essential skill.


Understanding When Your Turf Needs Renovation

Knowing when to renovate is just as important as knowing how.
Here are the key warning signs that indicate your turf needs attention:

    Critical Signs It’s Time to Renovate:

    • Water pooling or slow infiltration after irrigation
    • Turf browning or thinning despite proper fertilizer application and mowing
    • Uneven surface levels affecting play quality
    • Spongy feel underfoot caused by excessive thatch buildup
    • Poor recovery from stress or traffic damage
    • High disease pressure even under good care practices

    Why Sports Turf Requires Renovation

    Understanding the underlying issues helps you choose the right renovation approach. Common reasons turf deteriorates include:

    • Soil compaction reducing root growth and water infiltration
    • Excessive thatch buildup creating spongy surfaces and increasing disease risk
    • Poor drainage leading to puddling after rainfall
    • Turf thinning from wear, shade stress, or pest damage
    • Seasonal transitions between warm-season and cool-season grasses
    • Surface irregularities causing inconsistent ball roll

    These conditions don’t just affect aesthetics—they impact playability, safety, and the long-term health of your turf investment.


    Planning Your Renovation Calendar

    Successful renovation starts with strategic planning. A well-designed
    12-month renovation calendar should account for:

      Key Planning Considerations:

      • Preferred renovation dates based on grass growth cycles
      • Weather windows that avoid extreme heat, rain, or frost
      • Event conflicts such as tournaments, finals, or school carnivals
      • Machinery availability including scarifiers, ProCore aerators, and topdressers
      • Staff availability to ensure full crew coverage during critical weeks

      Planning early secures the resources and reduces downtime, allowing your turf to recover before peak usage periods.


      The Three Essential Renovation Techniques

      Scarifying (Verticutting): Removing Thatch for Healthier Turf

      What is scarifying?

      Scarifying uses vertical blades to cut through the turf surface, removing thatch and surface organic matter. Unlike deeper coring, scarifying is shallower and doesn’t penetrate deeply into the soil profile.

        Benefits of scarifying:

        • Removes problematic thatch buildup
        • Stimulates new lateral growth for denser turf
        • Improves ball roll and firmness on greens
        • Prepares the surface for overseeding or topdressing

        When to use it:

          Scarifying works best during active growing periods when the turf can quickly recover from the temporary disruption.

            Coring (Aeration): The Foundation of Soil Health

            What is coring?

            Coring (also called hollow-tine aeration) removes small plugs of soil from the turf using hollow tines. This process directly addresses soil compaction by creating channels for air, water, and nutrients to penetrate deeper into the root zone.

              Benefits of coring:

              • Reduces soil compaction from traffic and machinery
              • Improves air, water, and nutrient movement through the soil
              • Encourages deeper root development and turf resilience
              • Reduces water runoff and surface puddling
                • Best timing:

                    Core when turf is actively growing and can quickly heal the temporary surface disruption. This maximizes recovery speed and minimizes playability impacts.

                      Solid Tining (Slicing): Quick Aeration with Minimal Disruption

                      What is solid tining?

                      Instead of removing soil plugs like hollow coring, solid tines simply punch holes into the soil. These tines can be round, knife-shaped, or spiked, depending on the desired effect.

                        Benefits of solid tining:

                        • Provides quick, less disruptive aeration
                        • Improves water infiltration during compacted periods
                        • Can be performed more frequently than hollow coring
                        • Helps apply wetting agents or water deeper into the soil profile
                          • Best timing:

                            Solid tining can be used throughout the growing season and is particularly useful when you need to improve infiltration without the surface disruption of hollow coring.


                            Choosing the Right Technique for Your Situation

                            Not all sports turf renovation practices suit every situation. Consider these factors when planning:

                            • Soil compaction levels: Severe compaction requires hollow coring; moderate compaction may benefit from solid tining
                            • Thatch accumulation: Heavy thatch calls for aggressive scarifying
                            • Time constraints: Solid tining offers quicker recovery than hollow coring
                            • Seasonal timing: Match techniques to optimal grass growth periods
                            • Upcoming events: Schedule based on recovery time needed before play resumes

                            Often, the most effective approach combines multiple techniques. For example, scarifying to remove thatch, followed by hollow coring to relieve compaction, then topdressing to smooth surfaces and improve soil structure.


                            Maximizing Sports Turf Renovation Success

                            Renovation isn’t just about running equipment across your turf. Follow these best practices to achieve optimal results:

                              Pre-renovation preparation:

                              • Mow turf slightly lower than normal to improve equipment effectiveness
                              • Mark irrigation heads, drains, and other infrastructure to avoid damage
                              • Communicate closure periods clearly to users and stakeholders

                              Post-renovation care:

                              • Topdress immediately after coring to fill holes and smooth surfaces
                              • Water lightly but frequently to aid recovery
                              • Apply appropriate fertilizers to fuel new growth
                              • Overseed thin areas to maximize density
                              • Keep traffic off renovated areas until recovery is underway

                              Investment in Long-Term Turf Quality

                              While renovation creates temporary disruption, the long-term benefits far outweigh short-term inconveniences. Regular renovation programs deliver:

                              • Superior playing surfaces that perform consistently
                              • Reduced disease and pest pressure
                              • Better stress tolerance during extreme weather
                              • Lower irrigation requirements from improved water infiltration
                              • Extended turf lifespan and reduced replacement costs

                              By implementing strategic sports turf renovation practices tailored to your facility’s needs, you create resilient, high-performing turf that stands up to heavy use while maintaining exceptional playing conditions.


                              Guest post by Blaine Knox the founder of Online Turf Management Academy
                              Diploma in Sports Turf Management, Certificate IV in Training & Assessment,
                              Over 15 years of superintendent-level experience at championship facilities

                                Ready to take your turf management skills to the next level?

                                  Understanding renovation techniques is just one component of comprehensive sports turf management.

                                    Explore Blaines professional level training course to master and understand the practical aspects of sportsturf essential practices.

Aeration Tine Trends for Australian Autumn

Autumn conditions for Australian Greenkeepers varies depending upon geographical region, sports turf variety, turf length and soil profile. As an Australia wide industry supplier of aeration, solid and hollow coring tines, I have seen trends and product usage patterns emerging each season across user groups.

Summary of results: In a nutshell, 6mm, 8mm, 10mm and 12mm solids are the most used in Autumn for alleviating hard pan areas, whilst the phantom 7mm, 10mm, 12mm, 16mm and 19mm Hollow tines are the most popular for relieving surface tension without causing turf stress or delayed recovery times.

These tines are part of the renovation program for those lucky enough to own or get hold of an aerator. Data below is relevant to all users of John Deere, Baroness, Vertidrain Redexim, Toro Procore and SR, and Weidenmann aerators.

Historically by region, aeration tine usage in Autumn is as below:

Tine Sizes popularity in Autumn