| http://www.w3.org/ns/prov#value | - slowly release a long-term larvicide at the water???s surface can kill mosquito larvae for 30 days or longer. are especially effective for areas where it is difficult to drain standing water, such as puddles, ditches, ponds, or tree stumps. should not be applied to drinking water reservoirs or drinking water receptacles. can be purchased at many hardware and home supply stores.
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