Ice Melt Comparison

Effective Temperature Package Sizes Notes
Magnesium Chloride
Sure Paws -15ᵒ F 8# Jug, 20# (child&dog) Magnesium Chloride Hexahydrate, Poassium Sulfate
Safe Step 8300 -15ᵒ F 11 lb Jug Magnesium Chloride
Magnesium Chloride -25ᵒ F 50# Flakes or Pellets Magnesium Chloride
Brick, Concrete walkways & Stairs
Magnesium Chloride -25ᵒ F 50# Flakes or Pellets safest choice, Magnesium Chloride
Asphalt Driveways & Roofs
Calcium Chloride 25#, 50# Pellets or Flakes Calcium Chloride
Prestone Driveway Heat 9.5# Jug Calcium Chloride
Magnesium Chloride blend with Sodium Chloride (Asphalt Driveways, not roofs)
Safe Step Enviro Blend 6300 -10ᵒ F 11# Jug, 40# bucket, 50# Pellets Magnesium Chloride, Calcium Chloride, KCI, NH2CONH2
Ace Ice Melter -10ᵒ F 11# Jug Blended with Magnesium Chloride
Calcium Chloride blend with Sodium Chloride (Asphalt Driveways, but not roofs)
Calcium Chloride 25# Pellets Calcium Chloride, Water, Sodium Chloride, Potassium Chloride
Rock Salt (sodium chloride) NOT for asphalt roofs!
Diamond Crystal Winter Melt 25#
Rock Salt 25#, 50#