Others are reportedly adding sugar to seawater or boiling it to use for drinking and cooking.
Israel has launched relentless air and ground attacks on the Gaza Strip since a cross-border attack by the Palestinian resistance group, Hamas, on Oct. 7.
Since then, more than 12,000 Palestinians have been killed, including over 8,300 women and children, and more than 30,000 others have been injured, according to the latest figures.