diy wet dry Q

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brich999

Jack Dempsey
MFK Member
Jul 3, 2010
4,312
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38
New Hampshire
ok i want to use a 100g stock tank from tractor supply co, but a friend of mine told me i wouldnt get good bacteria growth unless the tank is either transparent or translucent so light can pass. what are your thoughts? im not doing a refugium or anything, just wet dry with bioballs. any imput is appreciated
 
Is the top open like a normal tank? All you need is a little light
IMO
 
That is false information. The bacteria will grow and do just fine. I had the same setup with a lid and it work very well.
 
I've always been told that BB actually prefer no light.
 
brich999;4780486; said:
ok i want to use a 100g stock tank from tractor supply co, but a friend of mine told me i wouldnt get good bacteria growth unless the tank is either transparent or translucent so light can pass. what are your thoughts? im not doing a refugium or anything, just wet dry with bioballs. any imput is appreciated


Do you want your sump covered in algae? Then by all means, light it! i light my sump, as there is a plant (some type of sword) growing in it. It was getting covered in algae though (none in the display of course:)), so be ready for that. As far as the BB, it's fine. They don't need light, only ammonia, nitrites and oxygen.
 
Piscine;4783441; said:
I've always been told that BB actually prefer no light.


Could be, but I'm not sure... I think they make filters (like HOB) dark in color so that there is less light going through them, but I think it's to eliminate algae buildup. I'm really not sure though...
 
Me either, just always heard it.
 
thanks for the input. i figured as much since most sumps are in a closed tank stand, but i wanted to make sure.
 
Nope, they're not photosynthetic, all you have to provide is oxygen and ammonia.

Piscine;4783441; said:
I've always been told that BB actually prefer no light.

geronimo69;4783448; said:
Could be, but I'm not sure... I think they make filters (like HOB) dark in color so that there is less light going through them, but I think it's to eliminate algae buildup. I'm really not sure though...

This is actually true. Nitrosomonas are photophobic. In the presence of light, they will secrete slime to cover themselves, or form clumps with other Nitrosomonas to hide from the light. I don't know if Nitrobacter is also photophobic.
 
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