What to keep on hand? Preventative treatments?

H2Ogal

Betta Be Good to Me
Mar 16, 2010
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Memphis, TN
Real Name
Deborah
What medications/treatments are good to buy "just in case" for a FW community tank? It will eventually house a betta, rasboras, otos and kuhlis. Possibly shrimp. Possibly MTS.

Also, are there any recommended preemptive treatments I should consider when QT'ing new fish? FYI, I'm thinking I'll get my rasboras and/or otos first and QT them in my main tank. It's planted with crypts, java ferns, rotala, and dwarf lilies, so let me know if any treatments would affect those plants. No snails or shrimp.
 
plenty of water for water changes...
 
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