It's hard to tell if this is a new setup, or 6 months old. While I agree that phyto has it's place in the food chain, I found that when I used DT's, I got more build up of algae on the glass and my skimmer got dirtier. I didn't see any improvement over not using it, so therefore deduced that it was just dumping money away.
Of course there are as many people that swear by it as there are that swear at it, so I guess the best thing to do is get the tank established and try it both ways, then decide for yourself.
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Brad
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