I put her in her birthing tank, with about 1/3 of water from her old tank and the sponge filter. I moved her plants over too and put the background on just in case. So it's basically the same, minus the gravel.
Let's hope the babies come soon!
40L - 1 opaline gourami
160L planted - 8 harlequin rasboras, 6 tiger barbs, 2 swordtails, 1 bristlenose pleco