to effectively "dip" for pest snails, bacteria, potential insects and leeches, a multi step process is needed...
first bathe in Pot. permanganate.. then rinse well with tap water.. then bathe in alum solution and again rinse well after.. then for good safety measure if a potted plant house them in a bare tank or bucket for a few days starting with plain untreated tap water.. the amount of chlorine/chloramines in tap water is not harmful to plants and therefore not harmful to pest snails or insect eggs or leeches and the list goes on.. I have a lot of new plants coming in sometimes and I quarantine everything after the bathing. I have 143 tanks and numerous ponds and cement vats.. keeping critters out is much easier than treating once they are inside. I skipped the bathing once and ended up with a china moth infestation within my grow room. never again for me..lol
and duckweed! woo hoo the quarantine bucket or tank gives you time to net out all duckweed before it surprises you.. trust me on this one, duckweed is a battle I fight daily in my grow tanks because of that one aforementioned lazy moment.
Last edited by n-seine; 08-22-2018 at 02:04 AM.
Reason: added duckweed