Best Rust Oleum Paint Additives in 2026

Flood Floetrol is the secret weapon you need to transform standard latex paint into a professional-grade finish. I found that adding this to my acrylic projects completely changes the way the liquid behaves on the surface, effectively eliminating those frustrating brush and lap marks that usually plague DIY jobs. It’s particularly impressive for anyone using a cup gun, as it helps prevent tip clogging and piston freeze-ups during the spraying process. It essentially allows latex to flow with the smooth, even consistency typically reserved for expensive oil-based paints. Since it is a washable formula, cleanup is a breeze with just soap and water, making the entire project much less intimidating. For a single quart, the ability to cover up to 300 square feet makes it a highly efficient addition to any home improvement kit.

Most DIY glow projects fail because the pigment is too dull or fades too quickly to be useful. Art 'N Glow solves this by using high-grade coated strontium aluminate, which provides a much more intense and long-lasting luminescence than standard hobbyist powders. I found the 30 to 50 micron particle size to be the absolute sweet spot for mixing into resin, epoxy, or even acrylic paints without clumping. The sky blue hue is vibrant, and since the powder is waterproof and non-toxic, it is incredibly versatile for everything from jewelry making to large-scale murals. They even include a free UV LED keychain to charge the crystals instantly, which is a thoughtful touch for anyone working in low-light environments.

The frustrating texture of heavy brush strokes disappears the moment you stir this additive into your bucket. I found that adding Floetrol to standard latex paints and primers completely transforms how the liquid behaves on the wall, allowing it to flow with much more grace. It effectively eliminates those annoying roller marks that usually plague DIY projects, leaving behind a much more professional, uniform finish. One of the best parts is that it won't mess with your chosen color or the original sheen of the paint. It also slightly extends the dry time, which actually gives you a better window to work the material for superior coverage. If you want a smoother application without the headache of visible imperfections, this one-gallon jug is a workspace essential.

Ever wondered how to transform a standard, flat wall into a shimmering centerpiece without buying entirely new designer paints? Hemway’s Mother of Pearl Iridescent Glitter Crystals are the secret weapon for DIY enthusiasts looking to elevate their interior or exterior projects. I found that mixing these premium light-reflecting crystals into standard water-based paint or varnish is incredibly straightforward, turning simple furniture or ceilings into something truly luminous. Because the crystals are formulated with high-quality pigments, they resist fading and heat, ensuring that the iridescent glow doesn't dull over time. Whether you are working with a matte finish or a high-gloss varnish, the application is seamless. Plus, knowing the product is vegan and cruelty-free adds a layer of ethical confidence to your creative home improvement projects.

You are standing over a blank canvas, ready to execute a complex acrylic pour, but the paint feels too thick and stubborn to move. This GrandProducts bundle solves that frustration immediately by combining two quarts of Floetrol paint extender with twenty Pixiss wooden mixing sticks. The Floetrol additive is a game-changer for leveling, transforming heavy acrylics into a fluid medium that flows effortlessly across your surface. It even works wonders for home improvement tasks, allowing latex paints to spray with the smooth consistency of oil-based finishes while preventing tip clogging in your spray gun. Because the formula is washable with just soap and water, cleanup is remarkably straightforward after a long session of experimenting with new textures and flows.

Most DIYers assume that a bad finish is the fault of a cheap brush, but the real culprit is often the paint's viscosity. I found that adding Flood FLD6 to latex, oil, or acrylic paints completely changes the physics of your application. It acts as a lubricant that helps the paint flow more smoothly, effectively erasing those annoying brush and roller marks that usually plague a fresh coat. Beyond just aesthetics, it extends your dry time, which is a total game-changer if you need to blend colors for finishing effects or fix a mistake before it sets. It even protects your equipment by reducing wear on spray guns. It is a small investment that makes professional-grade coverage much more attainable for home projects.

Standard flat walls often lack the personality and depth needed to transform a boring room into something truly magical. This FBGC holographic silver glitter additive solves that by allowing you to customize your own luminous paint finishes. I found the process incredibly straightforward. You just stir the micro-flakes into about half a gallon of emulsion paint for five minutes. It works beautifully with matte, silk, or soft sheen paints, and the light-reflecting technology creates a stunning shimmer that far outperforms traditional glitter wallpaper. A standout feature is the inclusion of two buffing pads, which let you thin the top layer of dried paint to release even more sparkle. Because it is non-toxic and waterproof, it is a safe, durable choice for everything from kid-friendly bedroom ceilings to outdoor surfaces.

Betem has secured a top-tier spot for DIY enthusiasts seeking versatility without the mess of traditional tubes. These markers stand out because of their upgraded cotton nibs, which allow for immediate use and faster drying times compared to standard push-type pens. I found the dual-tip configuration incredibly practical. The 1-5mm round nib handles broad color fills on canvas or wood, while the 1mm fine tip is perfect for intricate outlines and detailing. With 24 vibrant, opaque colors, you can move seamlessly between paper, stone, and even ceramics. The water-based ink is odorless and acid-free, making it a safe, professional-grade choice for everything from scrapbooking to rock painting. Just remember to store them horizontally to keep the ink flowing perfectly.

You might assume that adding sparkle to your walls would result in a messy, uneven disaster, but V1RTUS has actually streamlined the entire process. Instead of buying expensive glitter wallpaper, you can simply sprinkle this 100g pouch of silver holographic crystals into your existing acrylic, latex, or emulsion paint. I found it incredibly versatile, working seamlessly across everything from dead flat matt to silk finishes on wood, metal, and even ceilings. It is temperature resistant and waterproof, meaning the color won't leak into your base paint. If you want to take the shimmer to the next level, using their specific buffing pads helps unleash even more brilliance. It is a non-toxic, child-safe way to transform a standard room into something truly magical without a massive renovation budget.

Home renovators tired of flat, uninspired tiling need this iridescent glitter additive to finally transform their spaces from mundane to mesmerizing. I found that mixing this Hemway additive into your standard cement-based grout is a total game-changer for mosaic projects or kitchen backsplashes. The light-reflecting crystals provide a brilliant shimmer that actually stays put thanks to the high pigment ratio and fade-resistant materials. It is incredibly straightforward to integrate. You just follow the 100g to 1kg ratio and proceed with your usual application. Beyond the visual impact, I appreciate that the formula is both vegan and cruelty-free, making it a guilt-free upgrade for your bathroom or wet room. It turns a standard DIY task into a high-end design feature without any unnecessary complexity.

Stale cooking smells and lingering pet odors can turn a fresh coat of paint into a frustrating reminder of household scents rather than a clean slate. I found that adding this Fresh Air additive completely changes the renovation game by tackling organic odors at the source. The scent profile is surprisingly sophisticated, blending citrusy grapefruit and lime with soft jasmine and lily notes. It is incredibly easy to integrate—just one ounce per gallon—and it works seamlessly with any latex or solvent-based paint without altering the color or finish. While the fragrance is quite potent during the actual application, it settles into a subtle, pleasant aroma that lasts for about four months. It is a clever, VOC-free way to ensure your newly painted rooms actually smell as clean as they look.

Boating enthusiasts and homeowners with slippery pool decks absolutely cannot overlook this specialized additive if they want to prevent dangerous slips. This unique pumice material is a game-changer because it integrates seamlessly into your existing latex or oil-based paints without altering the original color or performance. I found that it creates a remarkably uniform, discrete texture that provides essential grip on everything from fiberglass and wood to metal and concrete. Unlike temporary solutions, this grit remains active for the entire lifetime of your coating, ensuring your surfaces stay safe through heavy use. It is a simple, professional-grade way to turn a hazardous, slick surface into a dependable, skid-resistant zone without the need for expensive resurfacing projects.

Most people assume that adding sparkle to a room requires a complete overhaul of their decor, but a handful of these crystals can transform an entire wall with a single coat. I tested the Hemway Black Holographic additive, and the extra chunky 1mm flakes provide a much more dramatic, high-end look than the fine dust found in cheaper alternatives. You just stir these light-reflecting crystals into your existing water-based emulsion, varnish, or gloss, and the results are immediate. Because the pigments are heat and fade resistant, you don't have to worry about that holographic pop dulling over time on furniture or exterior surfaces. It is a surprisingly simple way to elevate a DIY project without needing professional decorating skills.

After weeks of use on a bedroom accent wall, the subtle shimmer of this Hemway additive has completely transformed the room's atmosphere. Unlike chunky craft glitters, these ultrafine crystals provide a sophisticated, light-reflecting glow that works beautifully in both matt and gloss finishes. I found the application process incredibly straightforward. You just stir the crystals into your existing water-based paint or varnish and watch the magic happen. Whether you are refreshing old furniture or updating interior walls, the premium pigments ensure the iridescent effect stays vibrant without fading over time. It is a rare find to get a high-performance decorative tool that is also fully vegan and cruelty-free, making it a guilt-free choice for any DIY enthusiast looking to add a touch of elegance to their home.

Damp, creeping spores can ruin a fresh coat of paint faster than you can finish the second coat. BTG Products offers a proactive way to stop that degradation before it starts by turning your standard water-based paint into a fortified barrier. I found the application process incredibly straightforward. You simply pour this additive into your paint bucket, mix it in, and you are ready to go. It is a low-effort way to add a layer of long-lasting defense to high-moisture areas like bathrooms or basements. Instead of constantly scrubbing away black spots, this treatment helps ensure your painted surfaces actually stay clean and intact for the long haul.

Most people assume a great finish comes solely from the quality of the paint itself, but the real secret often lies in what you mix into the bucket. I found that adding Flood Artecho to your acrylics completely changes the physics of how the pigment moves across a surface. It transforms thick, stubborn paint into a fluid, manageable medium that glides on without leaving those frustrating brush or roller marks behind. Beyond just the aesthetic flow, it actually acts as a performance booster by increasing adhesion to stop peeling before it starts. It even helps oil-based primers penetrate more deeply, making it a versatile tool for anyone tired of uneven textures and blistering surfaces.

Most DIYers settle for slippery, dangerous floor finishes when they should be prioritizing traction and safety. The Rust-Oleum ST30 Skid-Tex is a professional-grade solution designed to transform smooth surfaces into slip-resistant zones without the headache of complex application. I found that this one-pound pail is incredibly easy to use, making it a perfect addition for anyone tackling garage floors or walkways. Because it is manufactured in the United States, you can trust the build quality of this additive to hold up under heavy foot traffic. It is highly durable and integrates seamlessly into your coating projects to provide long-lasting peace of mind. At under ten dollars, it is an essential tool for turning a hazard into a high-performance surface.

Why let a half-empty gallon of leftover latex paint become a permanent liquid headache in your garage? Krud Kutter Waste Paint Hardener Crystals offer a surprisingly fast solution for anyone looking to clean out old cans or manage accidental spills. I found that these crystals work in just minutes, transforming messy liquid latex into a manageable solid. One small package is quite efficient, as it can treat between two and three gallons of paint at a time. It is a simple, no-nonsense tool for home improvement projects that helps you follow local disposal regulations without the struggle of lugging around heavy, sloshing containers. It is an essential addition to any DIY toolkit.

Acrylic painters struggling with the frustratingly fast drying times of their medium will find this retarder to be an absolute essential for their studio setup. I found that mixing this clear liquid into my palette significantly extended my working window, allowing for much smoother color blending without the usual race against the clock. It is impressively lightweight and non-toxic, which makes the studio experience feel much safer. One of the best parts is that it doesn't mess with your paint's original consistency or shift the colors you've worked so hard to mix. It even stops that annoying skinning effect on the palette, ensuring your expensive pigments stay usable longer. Once dry, the surface remains water-resistant and won't yellow over time, preserving the integrity of your finished piece.

Wagner Paint Easy is the ultimate solution for achieving a professional, streak-free finish without the mess of traditional water dilution. I found that adding this conditioner to water-based latex paints completely transforms the application process, making it much smoother whether you are using a brush, a roller, or a sprayer. It is specifically engineered to work seamlessly with Wagner sprayers to prevent clogs and ensure a consistent coat every time. The mixing process is incredibly straightforward. You just stir in four ounces per quart of paint and you are ready to go. Plus, the 32 oz. bottle is substantial enough to cover multiple DIY projects, and the sealable cap makes it easy to tuck away on your workbench for future use.

Most DIY painters settle for flat, lifeless walls when they could be creating high-end, dimensional finishes that catch the light. Devine Color Silver Dust gives you total control over that luster, allowing you to customize your space rather than accepting standard matte or eggshell textures. I found the versatility to be the real standout feature here. You can mix in two packages per gallon for a sophisticated, soft shimmer that feels intentional rather than overwhelming. If you want something that truly pops, bumping it up to three or more packages per gallon delivers a bold, brilliant sparkle that transforms a room. It is an incredibly lightweight and affordable way to elevate a standard paint job into something that looks professionally custom-designed.

Home renovators dealing with imperfect drywall or aging plaster need this Sand-Tex additive to transform lackluster surfaces into professional-grade finishes. I found that mixing this into your paint is a total game-changer for masking those annoying tape lines and structural joints that usually ruin a fresh coat. It creates a contemporary sand texture that doesn't just look high-end, but actually works to hide small cracks and patched areas on walls and ceilings. Because it is compatible with almost all interior and exterior paints and varnishes, it offers incredible versatility for any DIY project. It is an incredibly simple kit to use, making it easy to breathe new life into original plaster without a massive overhaul.

Most DIYers settle for standard coatings that fail to address specific environmental pest issues, but this specialized additive changes the game for professional-grade applications. This five-gallon clear solution is designed specifically to integrate with your painting supplies and adhesive-caulk accessories, providing a targeted layer of protection that standard paint simply lacks. Because it is manufactured right here in the United States, you can trust the consistency of the formula during large-scale projects. I found that having a bulk quantity on hand makes it much easier to manage extensive home improvement tasks without worrying about running out mid-application. It is a niche tool, but for those dealing with specific pest-related surface concerns, it provides a level of specialized utility that generic additives cannot match.

Why settle for flat, lifeless walls when you can inject a sense of luxury into your living space with a single additive? Devine Color Gold Dust is a versatile game-changer for anyone looking to elevate their DIY home improvement projects. I found that the ability to control the intensity is its best feature. You can mix in two packages per gallon for a sophisticated, subtle shimmer or go heavy with three or more for a high-impact, brilliant sparkle. It works beautifully whether you are transforming an entire room or just adding a striking accent to a ceiling, stencil, or craft project. Since it comes in both gold and silver tones, you have plenty of flexibility to match your existing decor perfectly.

You might wonder if a simple liquid wash can actually transform a piece of furniture without making it look like a cheap DIY disaster. The DecoArt Vintage Effect Patina Wash is designed to solve that exact dilemma by acting as a transparent pickling paint rather than a heavy, opaque coating. During testing, I found that its real strength lies in the level of control it offers. You can layer it to build up a weathered look or use a light touch to simply brighten the surface. Because it is a translucent wash, it preserves the natural wood grain instead of burying it under thick pigment. It is a highly customizable tool for anyone wanting to add a professional, aged aesthetic to both raw and finished wood surfaces.

Homax Roll On Paint Additive delivers a professional sand texture in a single, streamlined step. Instead of dealing with messy spackle or complicated patching, you can simply mix this fine aggregate into a gallon of your chosen paint to transform a flat finish into something much more sophisticated. I found it particularly effective for masking those annoying drywall imperfections like small dents, dings, or even old nail holes that usually catch the light. The resulting finish is subtle rather than aggressive, providing just enough grit to distract the eye from surface damage without looking overdone. It is an incredibly efficient way to refresh a room while simultaneously hiding the wear and tear of daily life.