I use Hikari Gold, myself & throw live in to keep them sharp.
That GF you have in there won't last long either, the O's will get wise to him
I keep the Oscar tank at about 80f, I think your filtration is in-line.
Let's see some pics...
That GF you have in there won't last long either, the O's will get wise to him

I keep the Oscar tank at about 80f, I think your filtration is in-line.
Let's see some pics...