Renew Labs · Made in Houston, Texas
Renew Labs Radiator & Coolant Mixing Water
Renew Labs Radiator & Coolant Mixing Water is deionized water made in Houston, Texas, for mixing antifreeze concentrate and topping off cooling systems. Tap water adds minerals that can form scale. Deionized water mixes clean. Check your coolant maker’s mix ratio, mix concentrate with Renew Labs water in a clean container, and fill or top off with the engine cool. Never open a hot radiator cap. Not for consumption. Keep antifreeze and this product away from children and pets.
Why Deionized Water
- Mineral-Free Mixing Water – Deionized to remove the calcium and chlorides in tap water, which can form scale in cooling systems.
- 50/50 Mix Chart On The Label – 1 gallon of Renew Labs plus 1 gallon of antifreeze concentrate makes 2 gallons of 50/50. Always follow your coolant maker’s ratio.
- Top-Off & Final Flush – Use for topping off reservoirs and for the final rinse after a cooling-system flush.
Made For
- Cars and trucks
- Tractors
- Generators
- Marine engines
How to Use
- Check your coolant maker’s mix ratio.
- Mix concentrate with Renew Labs water in a clean container (1 gal + 1 gal = 2 gal of 50/50).
- Fill or top off with the engine cool.
- Never open a hot radiator cap.
Specifications
| Brand | Renew Labs |
|---|---|
| Manufacturer | Renew Lab Group, Houston, Texas |
| Country of origin | USA (Made in Houston, Texas) |
| Water type | Deionized |
| Size | 1 Gallon |
| Container | 1 gallon HDPE jug |
| Net contents | 128 fl oz (3.78 L) in a resealable jug. Also available as a 2-pack and a 4-gallon case. |
| Units per pack | 1 |
| Shipping weight | 9.2 lb |
| SKU | RNW-COOL-1GAL |
| UPC | 850092848185 |
Made in Houston, Texas
Every bottle of Renew Labs water is deionized and bottled in Houston, Texas, USA by Renew Lab Group, and shipped direct from our website.
Safety: Not for consumption. Keep antifreeze and this product away from children and pets. Never open a hot radiator cap.
Frequently Asked Questions
What water should I mix with antifreeze?
Use deionized water. Tap water contains calcium and chlorides that can form scale in a cooling system. Renew Labs Radiator & Coolant Mixing Water has those minerals removed.
How do I make a 50/50 coolant mix?
Mix 1 gallon of Renew Labs Radiator & Coolant Mixing Water with 1 gallon of antifreeze concentrate to make 2 gallons of 50/50. Always follow your coolant maker’s ratio.
Can I use it to top off my coolant reservoir?
Yes, and for the final rinse after a cooling-system flush. Top off only with the engine cool.
Is it already mixed with antifreeze?
No. It is deionized water only. You add the antifreeze concentrate.
What engines is it for?
Cars, trucks, tractors, generators and marine engines. Follow your vehicle or engine maker’s coolant specifications.
How much water is in this product?
Renew Labs Radiator & Coolant Mixing Water – 1 Gallon contains 128 fl oz (3.78 L) in a resealable jug. Also available as a 2-pack and a 4-gallon case.
Where is Renew Labs water made?
Renew Labs water is made and bottled in Houston, Texas, USA by Renew Lab Group. It is not for consumption.









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