FAQ
The time needed to activate the Lava Rocks is dependent on the strength of the microwave being used. Be sure to microwave the Lava Rocks for half the time listed, turn them over, and resume microwaving the Lava Rocks for the remaining time.
1800 watts: 1 minute each
1500 watts: 1.5 minutes each
1000 watts: 2.0 minutes each
Place the Lava Rocks side by side, on the turntable, in a clean, dry microwave. Heat the Lava Rocks for half of the recommended time, turn them over, and continue heating them for the remaining time. To remove the Lava Rocks from the microwave, grasp them by the gripping tabs located on the sides of the Lava Rocks only. The center of the Lava Rocks will be HOT.
OBSERVE THE PACKS WHILE HEATING. If any expansion of the pack is observed at any point during heating the microwave MUST BE TURNED OFF IMMEDIATELY. Allow the expansion to recede before handling. Do Not heat for more time than is stated.