CarCareTruth Score
Mediocre, but wear gloves and ventilate.
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Prices may varyThe manufacturer's Safety Data Sheet classifies this product with one or more GHS Category 1 health hazards — the most severe tier. The hazard statements in quotes below are the verbatim GHS language from the SDS, as required by OSHA's Hazard Communication Standard. The line under each statement translates the GHS classification into plain language.
GHS Category 2 acute dermal toxicity — classified as toxic in contact with skin.
GHS Category 2 acute inhalation toxicity — classified as toxic if inhaled.
If inhaled or on skin:
Call Poison Control immediately at 1-800-222-1222 (US, 24/7, free) and have the product container with you. Poison Control's standing guidance is to not induce vomiting after chemical exposure; they will direct first-aid steps based on the specific product.
About this product's hazards. This product's Safety Data Sheet uses signal word DANGER.Read the manufacturer's SDS and follow all safety instructions before use. CarCareTruth ratings translate the manufacturer's safety sheet. They do not replace the SDS or substitute for a hazard assessment specific to your task.
Health score is for adult use as intended, per the manufacturer's SDS. It does not model child ingestion, accidental spill cleanup, or off-label use. See the safety panel below for full hazard classification, and /disclaimer for the full editorial scope.
GHS hazard codes are quoted from the manufacturer’s Safety Data Sheet. PPE tiers below translate those codes and the listed ingredient chemistry; they are not CarCareTruth recommendations.
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Translated from the manufacturer’s Safety Data Sheet, Section 8
H370 (specific organ toxicity · methanol optic-nerve pathway, Cat 1) is the chemistry basis for eye protection. SDS §8 specifies chemical safety goggles. GHS08 (health hazard pictogram) corroborates. Pour-fill is the primary splash exposure point.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
Translated from the manufacturer’s Safety Data Sheet, Section 2
H311 (toxic in contact with skin, dermal Cat 3) is the SDS §2 basis for skin protection. SDS §8 specifies impervious gloves and protective clothing. GHS06 pictogram is present. Skin contact during reservoir top-off is the primary exposure scenario.
U.S. regulatory standard
29 CFR 1910.138(a); 1910.132(d)
“appropriate hand protection when employees' hands are exposed to hazards such as those from skin absorption of harmful substances.”
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
Especially relevant: in enclosed space · prolonged use
Translated from the manufacturer’s Safety Data Sheet, Section 2
H331 (toxic if inhaled, vapors Cat 3) is the SDS §2 inhalation classification. GHS06 (skull and crossbones) raises the floor to recommended per W17. SDS §8 states a respirator is not normally required under normal conditions but is needed if exposure limits are exceeded. Outdoor pour-fill is low risk; recommended for enclosed spaces or prolonged top-off in a closed garage.
U.S. regulatory standard
29 CFR 1910.134(a)(1)–(2)
“When effective engineering controls are not feasible… appropriate respirators shall be used.”
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
No PPE specified in published sources for ventilation. Absence does not imply “not needed” — consult the full Safety Data Sheet.
PPE tiers translate the manufacturer’s SDS and U.S. regulatory standards. Not professional safety advice. How we report safety.
Scope of these PPE tiers. The tiers on this page translate the product's Safety Data Sheet where one is published, plus its ingredient chemistry, into a comparable rating. They describe a formulation, not a situation: a tier is not a safety determination for any specific user, task, quantity, or environment. The manufacturer's label and use instructions govern how the product is handled. Where the product is used at work, the employer's PPE program and hazard assessment under 29 CFR 1910.132 decide what protection is selected, not this page.
No warranties. CarCareTruth makes no warranties, express or implied, and expressly disclaims the implied warranties of merchantability and fitness for a particular purpose.
This product ranks #19 of 19 in Washer Fluid.Three above it ↓
Last reviewed May 25, 2026
TL;DR Rated to −20°F, the standard mid-tier cold-weather freeze protection. Health score is 1.0/10 · lowest tier · due to a DANGER-class winter formula with an organ-damage warning on the label. Methanol-free alternatives exist for households with children or pets where that matters.
Splash Original Blue −20°F is a ready-to-use blue winter washer fluid rated to −20°F, confirmed by SDS freeze-point data. It pours directly into the reservoir at a commodity price point in a standard gallon jug · no dilution needed. The owner reviews corpus on this listing is very thin, so the community track record is still modest and can't strongly corroborate cleaning or streak-free performance yet. The build is standard for a mid-tier winter formula, with the trade-offs that come with the chemistry.
Best fit for cold-climate daily drivers in the continental US who need reliable −20°F protection at a low commodity price and don't have children, pets, or chemistry concerns in the household. Skip it for warmer climates where a milder formula avoids unnecessary exposure, and skip it in California where CARB rules and Prop 65 push toward methanol-free or ethanol-based alternatives.
SDS carries DANGER: harmful if swallowed, toxic by skin and inhalation, and an H370 organ-damage classification driven by methanol. Proposition 65 applies for methanol as a developmental toxicant. SDS §8 specifies chemical safety goggles and impervious gloves; pour-fill outdoors is the primary exposure point. Drain-destined via stormwater runoff; no aquatic H-codes in SDS §12.
The product label and SDS Section 9 both confirm a freezing point of −28.9°C (−20°F). This is a solid mid-tier cold-weather rating · adequate for most of the continental US winter but not for extreme northern climates that regularly see temperatures below −20°F. For colder conditions, look for a −30°F or colder formula.
Yes. SDS §3 (FMP/Recochem, rev 2020-08-24) lists methanol (CAS 67-56-1) at 30-32% by weight as the primary freeze-point depressant. Methanol is the standard chemistry for winter washer fluid at this temperature rating. The DANGER signal word, H370 organ-damage classification, and Proposition 65 warning all stem from the methanol content.
Methanol-based winter washer fluids are not generally CARB-compliant for consumer sale in California, and this product carries a Proposition 65 warning for methanol as a developmental toxicant. Availability through specific retailers can vary, but California residents looking for a clean fit should generally choose a methanol-free or ethanol-based washer fluid with CARB compliance.
Methanol ingestion requires immediate medical attention. The SDS classifies this product as H302 (harmful if swallowed) and H370 (causes damage to organs · methanol optic-nerve pathway). Call Poison Control (1-800-222-1222 in the US) or emergency services immediately. The formula contains denatonium benzoate as a bittering agent intended to reduce accidental ingestion, but it does not eliminate the hazard · keep the container out of reach of children and pets.
No. Splash Original Blue −20°F is a ready-to-use (RTU) formula sold in a 1-gallon jug · no dilution needed. Splash also sells the formula in 55-gallon drums (product code 234555) and totes (234620) for commercial accounts; the gallon jug is the consumer SKU.
The listing for Splash Original Blue Windshield Washer Fluid -20°F carries a California Prop 65 warning. Splash Original Blue Windshield Washer Fluid -20°F is a working automotive fluid rather than a passive part, so the warning points at the formulation itself. The manufacturer's Safety Data Sheet is the primary source for what is in it: the hazard classification and the PPE tiers on this page are translated from that sheet, and the full SDS is linked from the safety panel. California requires the warning whenever exposure to any of roughly 900 listed substances is possible. It does not name which substance applies to a given product, and it states no dose or risk level, so it is not on its own a measure of how hazardous this fluid is in normal use.
Marketing copy from Splash, via Amazon. Not editorial.
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