I'm going up north for a week and frankly I don't trust my sump to let it stay on unsupervised. So I'm putting a sponge filter that I had in the sump in the tank and running that for the week. Will letting the sump sit for a week kill the beneficial bacteria? Or will the water get really stagnant and gross?
Thanks!
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Thanks!
Sent from my iPod touch using MonsterAquariaNetwork app