Does this also works if you use Broken Lava 0,5-2 cm instead of a sand layer has somebody experience with this Roland On the topic of fungus gnats I have used the sand top dressing with much > success on aloe seedlings > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > -- R de Boer La Maugardiere 1 F 27260 EPAIGNES FRANCE Phone./Fax 0033-232-576-204 Email: bulborum@gmail.com