Just go without decor and just enough sand to cover the bottom of the tank and add even more fish. Jdm style.
When it comes down to it. Is it impossible? No, I've seen 55 gallons with worse mixes and completely healthy fish at full to near full growth. It's her money and her tank, let he experiment however she wants to.
When it comes down to it. Is it impossible? No, I've seen 55 gallons with worse mixes and completely healthy fish at full to near full growth. It's her money and her tank, let he experiment however she wants to.