Hey Pauline n others, thanks for the tips and the DETAILED info on UGF....
i shall try to buy the plastic UGF and cut it to my tank size if i can't find a smaller one that will fit my tank!!!

UGF works with an air pump...? is that correct???

i'll try this n see how it works out!!!!

THANXX again! =D

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7 neons, 6 platties, 2 swords,