TotalBoat Spray Thinner 101 Gallon
TotalBoat Spray Thinner 101 Gallon
TotalBoat Spray Thinner 101 video
TotalBoat Spray Thinner 101 Prep
TotalBoat Spray Thinner 101 Pour Into Sprayer
TotalBoat Spray Thinner 101 using with sprayer

Spray Thinner 101


Fast-evaporating reducing solvent used to thin most TotalBoat one-part paints, primers, and varnishes to improve flow for spray application. Below 60°F, it can be used as a thinner for brushing and rolling applications.

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  • Improves flow for spray applications
  • Can be used as a brushing thinner in cooler temperatures (40-60°F)
  • Flashes out rapidly
  • Removes surface contaminants
  • Cleans tools and equipment

Use TotalBoat Spray Thinner 101 to reduce most one-part TotalBoat finishes for spraying applications. In cool-weather conditions, you can use Spray Thinner 101 as a brushing/rolling reducer for these products.

Thinner 101 also works great as a surface prep solvent wipe to remove contaminants before applying these products, and it’s ideal for cleaning tools and equipment.

Spray Thinner 101 can be used with these TotalBoat 1-Part Finishes:

  • Lust marine varnish
  • Gleam 2.0 spar varnish
  • Wood Sealer varnish primer
  • Wet Edge topside paint
  • TotalTread non-skid deck paint
  • TotalBilge epoxy bilge paint
  • TotalGold decorative gold paint
  • Premium Topside Primer
  • Spartan multi-season antifouling paint
  • Krypton copper-free antifouling paint
  • Underdog ablative antifouling paint
  • AlumiPaint AF antifouling paint for aluminum boats and pontoons
  • Outdrive AF antifouling paint
  • Marine Wood Finish – Use Thinner 101 as a surface prep solvent wipe or tool cleaner ONLY; use TotalBoat Special Brushing Thinner 100 to thin TotalBoat Marine Wood Finish


  • Thinning percentages for spray applications: 10-20%
  • Thinning percentages for brushing/rolling in temperatures below 60°F: 5-10%
  • NOTE: The amount of thinner is specific to each individual application. Percentages will vary or exceed these values based upon desired flow or spray, ambient conditions, and the specific product being thinned.
  • Application temperature: Spray- 40-95°F; Brushing/Rolling – 40-60°F
  • Coverage (sq ft/gal): 1 quart of Spray Thinner 101 per gallon of paint, primer, or varnish, for most applications. Actual coverage will vary based on ambient conditions, products, and application techniques.



WARNING: This product can expose you to chemicals including ethylbenzene, which is known to the State of California to cause cancer, and toluene, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to

TotalBoat Spray Thinner 101 Tech Data
Spray Thinner 101 SDS

Frequently Asked Questions

Can Spray Thinner 101 be used with all TotalBoat finishes?

No. Thinner 101 can be used with most TotalBoat one-part finishes including Wet Edge, Topside Primer, TotalTread, Gleam 2.0, TotalBoat Lust, Wood Sealer, Marine Wood Finish (surface prep and cleanup only), TotalBilge, TotalGold, TotalBoat Underdog, Spartan, Krypton, Outdrive AF, and AlumiPaint AF.

For more information on product compatibility, refer to the technical data sheet.

What is the difference between Spray Thinner 101 and xylene (Xylol)?

Spray Thinner 101 contains a blend of solvents with different evaporation rates that are designed to promote the best spray application properties for TotalBoat one-part solvent based products.

Can Spray Thinner 101 be used with one-part finishes from other manufacturers?

In general, yes, although TotalBoat Spray Thinner 101 was designed use with TotalBoat brand products. Thinner 101 may also be used with other one-part, solvent-based products from competitive brands, but it can not be guaranteed that Spray Thinner 101 will have the exact same properties, cure times, or thinning percentages.

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