High nitrates in biocube, bioballs or DIY filter?

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BabyDee17

Aquarium Advice Apprentice
Joined
Feb 9, 2012
Messages
33
Location
Bristol
I have an 8g biocube with about 12lbs live rock, and 1in sand. I have some zoos, a button polyp frag, and a purple mushroom. I have an ocellaris clownfish. Everything is coming out, glowing and looking healthy... I really should have more rock (planning on it next LFS trip) plus an LED strip. Anyways, my water is just about perfect, excepptt for my nitrates..theyre sky high. The filter is made of bioballs and I was wondering if I should even have them in my tank. (Yeah a little late huh?) I do 15% water changes every Saturday. I target feed everything every 2-3 days. What can I do to get my nitrates down?? Ive read everything from more water changes to DIY filter to removing my bioballs. Can anyone give me an idea of what I can do that maybe worked for them?

pH 8.0 (need some buffer on saturday)
nitrites 0
ammonia 0
nitrates 40ppm or higher

BTW can you tell im a newbie??
 
wait I mean I have an LED strip.. I took off the top hood and replaced it with plexiglass and added plenty of blue and white LEDs
 
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