Doing super frequent water changes.. what can go wrong?

[sphelps]

Originally Posted by Myka

I think you're better off achieving ULNS with Zeo or even vodka dosing. Cheaper in the long I'm betting.

Running a basic zeo system on a 100gallon tank runs for about $60/month, depending on your salt brand, that same amount of money would pay for around 100 gallons of water each month. That's 10 10% water changes or roughly 2.5 10% changes per week. Sounds about the same until you consider zeo tanks require weekly 10% water changes, then it's obvious zeo tanks cost more.