Bio load question

[Nick862]

Hi, I have a 175L corner bow front with 1.5 inch sand bed and 21kg of live rock, no sump just a canister filter, tanks been running about 8 months and no major problems as of yet. i have 2 clowns about a inch and a half big, a fire fish about an inch and a wrasse about 2 inch, if I add more live rock will that raise my bio load? Can I add 2 more fish? This is a nano tank so it's not like I'm thinking of adding any Tangs or angel fish. Any I ideas on what I could add? Maybe some thing that would eat hair algae or some thing that would turn the sand over. Cheers

 

[austinsdad]

Adding rock only provides more filtration and doesn't add to the bio-load. Things that increase the bio-load are things that swim, absorb oxygen, and poop - excluding inverts for the most part. Good reef tanks typically have 1.5 to 2 lbs of rock per gallon of water with good results.

I'd like to know what your nitrate levels are before recommending more fish. Think about a goby to hang out at the bottom near the rock cave openings. Bi-color blenny (very personable fish by the way) maybe that's hang out on the top of the rocks and check ouot everybody swimming by. Cool fish indeed.

 

[ricardo48]

Urm i dont consider 175l tank to be nano. I have a 25 litre tank and that is a nano and I almost have same stocking level as you

I have fire fish, clown and damsel with 2 crabs and several soft corals.


You could add alot more fish to that tank, just make sure you have sufficient filtration / live rock etc