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Posted

I've had two 6" pieces of cholla (1 regular, 1 teddy bear) in my tank for about a month. Both have started developing areas with raised black spots. They were soaked/boiled really well before adding to my tank. Has anyone had this happen before?

Posted

happens to all of mine, not an issue.

Posted

happens to all of mine, not an issue.

Good to hear!

 

could it be the pores in the wood?

Maybe, but it is only in a few patches, not all over the wood.

 

could be algae

Maybe. I will try to get a photo.

Posted

I have that happening in one of my two tanks. I don't know if it makes a difference but the pieces of cholla wood that don't have the black dots are thicker than the ones that do.

Posted

 Wow - incredible photo.  What a great macro lens you have!!!  Jealous - what camera and lens are you using?

Posted

 Wow - incredible photo.  What a great macro lens you have!!!  Jealous - what camera and lens are you using?

Thank you :).  I have a Canon 5D Mark II with a Canon EF 100mm f/2.8 Macro IS USM lens.

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