I really love the sand substrate... it has less odor, looks better, uro's like to burrow in it, etc. HOWEVER, with millet bird seed, the odor is also low, looks ok, and can be burrowed in. I've heard good and bad about sand substrate and I was wondering what everyone's opinion about sand substrate health concerns there might be regarding uro's. I know in my uro's "treasures" there is a considerable amount of substrate, and with sand, i would worry about impaction. SHould i be this concerned bc i would really love to go to playsand rather than the seed. INFO PLEASE,
tara
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