sand or gravel??? in a future coral tank

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fish_bay

Aquarium Advice Regular
Joined
Feb 8, 2012
Messages
53
i had a 75g tank with gravel and sand mixd , i broke it now i only put sand in it ? good choice or poor judgement?
 
Sand. Crushed coral can trap detritus and cause nitrate problems. Plus you won't be good if you want a wrasse or sandsifting goby.
 
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