Fla. Stat. § 702.05

Any person who has a lien by mortgage or otherwise upon lands sold for taxes may, within the time allowed by law for redemption, redeem such lands, and the receipt of the officer authorized to receive the amount paid for redemption money shall entitle the lienholder to collect the said amount, with interest at the rate of 10 percent per annum, as a part of and in the same manner as the amount secured by her or his original lien.