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4 Reasons Not to Knock Nano Aquariums

Nano aquariums boast lower initial and ongoing costs compared to larger systemsOne of our earliest posts here at Saltwater Smarts was titled “4 Reasons to Start with a Bigger Saltwater Tank.” In it, we outlined the various benefits of starting with a larger aquarium and the potential drawbacks to downsized systems—instability of water parameters, fewer stocking options, etc. We still think it’s best for beginners to get their feet wet with a larger tank, but as several of you nano-keeping salties out there have pointed out, the pro/con balance doesn’t tip entirely in favor of bigger systems. Nanos have their plusses too. Here, in no particular order, are four of them: #1 Significant cost savings Both initial and ongoing expenses are considerably lower for nano aquariums than for their larger counterparts. Not only are equipment costs more manageable, but also: You don’t need much in the way of live rock and substrate material for biological filtration and aquascaping. Fewer pumps are needed to create adequate circulation in the system.

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