03-05-2011, 11:39 PM
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Originally Posted by aunt kymmie
No reading for nitrates?? Odd, in a cycled tank. Are you shaking the heck out of those reagents? (I'm assuming you are using a liquid test kit?)
If it were me, I'd step up water changes to once a week, at least 30%. If there are excess organics in the tank you'll be ridding the tank of them. What size tank, I forgot to ask? If this was a 20gl tank with 65watts of CFL I'd have to say that it was way more light than the tank needs and could be a contributing factor. What is the Kelvin rating on your bulbs?
Yep, shaking it like crazy. API Freshwater test kit (except the phosphate reading, that came from the reef kit). I use to get nitrate readings, but after adding the duckweed it went away. <3 Duckweed!
It's a 15 gallon tank and ya, it's too much light. Worse, it's actually a 2-light set I run it without the 65W actinic. I'm only using the 65W 12000k daylight bulb. I haven't downgraded because it was a Christmas gift, but if this continues I may have no choice.
Did a 30% water change; great minds think alike ;). I missed a couple spots, but I need sleep. 8) I'll do weekly water changes and continue the war. I think my plants can handle a few lights-off days, so I'll also try that.
Originally Posted by gingerael
there are solutions you can buy to add to your tank that will kill cyanobacteria without killing the occupants of your tank
I appreciate the suggestion, but I'm going to try chemical-free first. That's just how I roll. :)