Skip to content

Tips For Choosing The Right Float Line For Spearfishing In Low Visibility Conditions

Key Takeaway:

  • Choose a bright colored float line: In low visibility conditions, a bright colored float line can make it easier for other spearfishers to see you and avoid potential accidents. This will also help to keep your catch in sight.
  • Opt for a longer float line: A longer float line will allow you to have more distance between yourself and your catch, reducing the chances of spooking the fish or losing your catch. It also provides more safety by allowing you to surface further away from the catch in case of an emergency.
  • Invest in a durable and buoyant float line: When spearfishing in low visibility conditions, it is important to have a strong and buoyant float line that can withstand rough conditions and support your catch. This will ensure a safe and successful dive.

Searching for the perfect float line to be victorious while spearfishing in murky waters? Look no further! Here are some top tips to choose the ideal line which will boost your success.

Description of Float Lines

Floatlines are a necessary part of spearfishing gear. They stop gear failure and help to catch pelagic species. These pieces of equipment can be used for salt or freshwater. So, it’s important to pick the right kind. Here are some types to think about:

  • Hard floats: Perfect for blue water trips. The Adreno Bullet Hard Foam Float is great for a durable and small float.
  • Inflatable floats: Problue TORPEDO and Adreno Heavy Duty Floats are good for travel and storage. The Riffe floats have a conical nose for visibility and stability.
  • Bungee lines: Riffe and Adreno lines give extra stretch and pull-down power.
  • Dyneema PVC coated and Riffe bungee-style dive floats are streamlined. DiveR Dog Stopper and Riffe PVC floats are strong and tangle resistant.

So, when picking a float line, consider its visibility, ballast, and handling. Plus, the type of fish and conditions.

Importance of Float Lines

Spearfishing is an exciting, yet tough activity. Safety and the right gear are very important. Selecting the perfect spearfishing float line is essential. Especially when diving in murky water or saltwater, where tuna, marlin, wahoo, and amberjack are common.

A spearfishing float line is needed for buoyancy and displacement. This keeps your gear safe, plus you from boats and big fish. There are many kinds of spearfishing floats available. From compact, foam-filled ones to low-drag, ballasted floats like the Problue TORPEDO Inflatable Float Rope and Flag.

When selecting a float line, look at factors like durability, buoyancy, visibility, and tangling. In open water, a visible flag mount is a must. Carry Sharkclip and swivel for easy rig line attachment and detachment.

Popular options are Adreno Heavy Duty Inflatable Float, DiveR Dog Stopper Blue Water Inflatable Float, and ski rope-style floats. Whatever float line you choose, inspect it often. Maximize the buoyancy to dive deeper. Inflate the floats before use with a high-pressure compressor or scuba tank.

Types of Float Lines

If you’re a fan of spearfishing, you know that choosing the right float line can make or break your success in the water – especially in low visibility conditions. In this section, we’ll discuss the available options for float lines and what makes each type unique. Dive in as we explore the benefits and drawbacks of nylon/polyester float line, spectra/Dyneema float line, and PVC/PU float line, so you can determine which option is best suited for your needs.

Types of Float Lines -Tips for Choosing the Right Float Line for Spearfishing in Low Visibility Conditions,

Image credits: by Adam Duncun

Nylon/Polyester Float Line

Choosing the right float line is key for spearfishing in low visibility conditions. Two of the most popular are nylon and polyester.


Good for shore diving and surf hunting due to its negative buoyancy. Resistant to gear failure and abrasion. Not best for larger fish, as pressure can cause it to snap.


Foam-filled for buoyancy – ideal for blue water rig diving and hunting big fish. Visible too, for safety in areas with boat traffic. Heavier than nylon, so require heavier lead weights.


  • Choose according to your diving.
  • Determine size of fish you’ll target.
  • Look for float lines with strong attachments.
  • Consider length – not too long, not too short.

Pro Tip: Always have a backup!

Spectra/Dyneema Float Line

Choosing the right type of float line for spearfishing in low visibility is essential. Spectra/Dyneema Float Lines are popular among spearos due to their strength and resistance to high pressure and gear failures. Here are tips to help you choose the right one:

  1. Swim bladder/foam-filled float lines provide additional buoyancy. Perfect for targeting large fish or diving around rocks, they prevent the line from getting snagged.
  2. To hunt Billfish or Dogtooth Tuna, use heavy-duty float lines with stainless steel D-rings and rig lines similar to ski rope styles with a higher weight rating.
  3. If you want a lightweight yet robust option, go for shooting lines made of Spectra/Dyneema. These have minimal stretch, for more accurate aiming and shooting.

Pro tip: Opt for a float line that can handle at least twice the depth of water you’re spearfishing in. This will increase safety.

PVC/PU Float Line

When it comes to spearfishing, the right gear can be the difference between catching that monster fish or going home empty-handed. Float lines are a must-have. There are two main types: PVC/PU and Nylon/Polyester.

PVC/PU lines are foam-filled and have heavy-duty construction. They are high-visibility, making them easy to spot from the surface.

Nylon/Polyester float lines are thinner and more flexible. They are darker, so they don’t spook fish. But they may not be strong enough for larger catches.

When selecting a float line, think about the type of fish and visibility conditions. Choose one that’s strong enough and easy to spot. PVC/PU is best for clear water and Nylon/Polyester is great for low visibility.

Factors to Consider When Choosing Float Lines

In spearfishing, having the right float line could be the difference between a successful hunt and a frustrating day on the water. When it comes to low visibility conditions, choosing the right float line becomes even more crucial. In this section, we will explore the essential factors that you should consider when selecting a float line for low visibility spearfishing. We’ll discuss how water visibility, diving depth, and the length of the float line can impact your hunt and help you choose the perfect float line for your needs.

Water Visibility

When selecting a float line for spearfishing, keep water visibility in mind. To make sure you’re prepared for low visibility conditions, consider these factors when choosing the right one:

  • Foam-filled: Choose a foam-filled float line to help it stay afloat if it gets damaged.
  • Heavy-duty construction: Get a float line that can handle rough usage.
  • Stainless D rings: Pick a float line with stainless steel D rings, which won’t rust or corrode.
  • Bright colors: Look for a float line with bright colors for better visibility.
  • Length and diameter: Select the length and diameter suited to your needs.

A foam-filled float line with bright colors and stainless D rings will ensure you’re ready for a successful spearfishing expedition, even in low visibility!

Diving Depth

Diving depth is a must-consider when choosing the ideal float line for spearfishing. The length of the line depends on the water depth you’ll dive into. Shallow waters = shorter line; deep-sea = longer.

Design matters too! Foam-filled float lines are best. They are buoyant and can handle rough waters. Plus, they don’t tangle.

You should also look for heavy-duty construction. Polypropylene and nylon are great materials for tough conditions, like abrasion and saltwater corrosion. Bungee ropes absorb shock if you lose your catch.

For murky waters, pick a brightly colored float line. Neon colors like orange, pink, and yellow will make you visible.

To get the right float line, consider your hunting style, target species, and location. Then you’ll be ready to enjoy a successful spearfishing experience!


When picking a float line for spearfishing in low visibility waters, multiple things must be considered. Length is the most vital factor; a long line gives more freedom of movement, but can be tricky and get tangled. So, find a balance between length and manageability that fits your diving needs.

Also, consider the type of construction, strength, and material of the line. A foam-filled float line offers more buoyancy and reduces tangles. Choose the right strength, but a thick line can cause more drag in low visibility. Nylon is a regular choice, but a dynamic line might be better.

Always think of your skill level, experience, and preference when selecting a float line. A shorter line, 10 to 30 meters, could be better for underwater navigation. Attach a float line to your speargun for safety.

Success and safety come from taking all factors into account.

Maintenance and Care of Float Lines

Proper maintenance and care for your float line are essential for prolonging its lifespan and ensuring peak performance while spearfishing in low-visibility conditions. In this section, we’ll discuss two crucial aspects of maintaining and caring for a float line that are often overlooked: cleaning and storage. By mastering the tips presented in these sub-sections, you’ll help your float line last for years to come and keep it in excellent working condition during every outing.

We will also touch on some extra tips to help keep your float line in top-notch condition.


Cleaning and maintenance are vital for float lines used in spearfishing. Especially those made of heavy-duty construction and foam-filled materials.

To clean your float line properly:

  • Get a bucket or tub with warm water and mild detergent.
  • Put the float line in the soapy water and leave it for 30 minutes.
  • Use a soft-bristled brush to scrub the entire length.
  • Rinse the float line with clean water to remove soap and debris.
  • Hang the line in a cool, dry place to dry before storing.

For spearfishing, pick a brightly colored line that is visible from the surface, especially in low light. Heavy-duty construction and foam-filled material are best for underwater hunting. Regular cleaning and maintenance will keep your float lines in top condition for your next adventure.


Safeguarding your float line is essential for excellent performance in low visibility spearfishing. Foam-filled and strong-made are two essential features to look for when selecting a float line. Here’s how to care for and maintain it:

  • Wash your float line with freshwater after every use. This helps remove salt and debris.
  • Scan the line for signs of wear, e.g. fraying or weakening.
  • Put your float line in a cool, dry spot away from direct sunlight. Sunlight can cause damage over time.

Picking a foam-filled and hard-built float line for low visibility conditions assures buoyancy and longevity. By following these maintenance tips and finding the right float line, you can guarantee optimal performance and life span of your equipment.

Five Facts About Tips for Choosing the Right Float Line for Spearfishing in Low Visibility Conditions:

  • ✅ The length of the float line should match the depth of the water, with 30 meters being a good starting point for low visibility conditions. (Source: Spearfishingtoday)
  • ✅ The material of the float line should be flexible and durable enough to handle rough underwater conditions, with polyethylene and polypropylene being popular choices. (Source: Spearfishingtips)
  • ✅ A bright color like yellow or orange is recommended for the float line to improve visibility underwater and make it easier to locate the buoy. (Source: Bestspearfishingtips)
  • ✅ The diameter of the float line should be sufficient enough to support the weight of the fish being caught, with 4-5mm being a good range for most spearfishing scenarios. (Source: Spearboard)
  • ✅ It is important to check the buoyancy of the float line before purchase to ensure it will support the weight of the fish and equipment. (Source: Spearfishingreviews)

FAQs about Tips For Choosing The Right Float Line For Spearfishing In Low Visibility Conditions

What is a foam filled float line?

A foam filled float line is a type of line that has foam filling inside, which makes it float on the surface of the water. This type of float line is ideal for spearfishing in low visibility conditions because it helps you keep track of your gear and prevent it from getting entangled in underwater plants or debris.

What is heavy-duty construction?

Heavy-duty construction is a term used to describe materials that are durable and can withstand harsh conditions. In the case of a float line, heavy-duty construction means that the line is made with strong materials that can withstand the weight of the catch and the pressure of the water. This type of construction is important for spearfishing in low visibility conditions, where you need gear that can withstand the challenges of the environment.

What is the best length for a float line in low visibility conditions?

The best length for a float line in low visibility conditions depends on the depth of the water you will be spearfishing in. As a general rule, the line should be long enough to keep the float at the surface, but not so long that it becomes difficult to maneuver. A good starting point is a line that is 30 to 50 feet long. You can adjust the length based on your own experience and the conditions you encounter.

What type of material is best for a float line in low visibility conditions?

The best material for a float line in low visibility conditions is a strong and durable monofilament line. This type of line is less likely to tangle or become snagged in underwater debris. It’s also more resistant to abrasions and cuts, which means it will last longer than other types of fishing lines. Look for a line that has a high breaking strength, such as 400 pounds or more.

How many floats should be on a float line for spearfishing in low visibility conditions?

The number of floats on a float line for spearfishing in low visibility conditions depends on how much weight you need to control. As a general rule, you should have at least two or three floats on the line. If you are carrying a lot of weight or fishing in deep water, you may need more floats to keep the line at the surface.

How do I maintain my foam filled float line?

To maintain your foam filled float line, rinse it with freshwater after each use to remove salt and debris. Store it in a cool, dry place out of direct sunlight to prevent damage to the foam. Check the line for any signs of wear or damage before each use, and replace it if necessary. With proper care, your foam filled float line can last for several seasons.