HTH™ Pool Care Liquid Solar Blanket
My pool volume is: gallons
HTH™ Pool Liquid Solar Blanket creates a safe, invisible barrier that traps warmth and conserves water.
- This fast‑acting liquid solar cover helps reduce pool evaporation and heat loss, keeping water comfortable while lowering energy and refill costs.
- Compatible with all sanitizers—including chlorine, salt, and biguanide—its non‑toxic formula won’t affect water feel or clarity.
- Use weekly to extend pool season and protect your investment with effortless, pour‑in application.
With HTH™, you get simple, proven performance and peace of mind, all season long.

Liquid Solar Cover
A simple, pour‑in pool solar blanket alternative - meaning no reels or heavy covers; just steady heat retention.
Extend Pool Season
Reduce pool evaporation up to 40%, saving on water replacement, chemicals, and heating costs while retaining heat.
Swim in 15 Minutes
Non‑toxic formula disperses quickly; no taste, feel, or odor for comfortable, crystal‑clear water within 15 minutes.
Combine with Our App for Smarter Pool Care
Use the free HTH™ Test to Swim™ app for dosing tips, balance checks, and seasonal care recommendations.
How to use
HTH™ Liquid Solar Blanket
Add directly to the pool water
Add 2 fl ozs per 10,000 gallons directly to the surface of the pool opposite from pool skimmer. Note: Do not add within 24 hours of shock treating the pool.
Add 2 fl ozs per 10,000 gallons directly to the surface of the pool opposite from pool skimmer. Note: Do not add within 24 hours of shock treating the pool.
Use Weekly
For best results, reapply weekly. Refer to the label instructions for the correct weekly dosage based on your pool size
For best results, reapply weekly. Refer to the label instructions for the correct weekly dosage based on your pool size