I bought mine of eBay once calibrated they all should work the same. Oh and get one with a light on it if you can. Well worth the little extra. No holding it up to lights etc ...... Man you can even do it in the dark!
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206 gal tunze centre overflow star fire front illumina 260
Loudest part of my system would be the nagging sound I hear on a regular basis about how much time and money I spend on the tank.
Last edited by AquaticFinatic; 11-19-2011 at 02:27 PM.
Reason: Added extra comment.
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