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Unread 12/17/2017, 09:06 PM   #7
djbon
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Join Date: Jan 2015
Location: Kota Kinabalu, Sabah, MY
Posts: 813
As mentioned above, nutrient recycling and conversion to bio mass reduces testable no3/po4. I do have a 2' algae through made from cut out 4" diameter PVC pipe to grow some algae. I don't remove the algae, I fed my tangs (except dragon breath which they don't seems interested at). No water changes since I started 4 years ago.

My daily dosing is more than enough to keep nitrate below 5ppm. Two doses, between 2ml and 5ml depending on visible flow coming out from the reactor. I purposely doing overdosing once in while, everytime I did this the flow will slow down significantly and will strip nitrate to zero. I never experienced nitrate build up, except on several occassion where I added my chromis (7 of them) and anthiases (killed by my dragon wrasse) which I overfed the tank. I remember at one time nitrate shoots up to 20ppm, but quickly brought down below 5ppm with additional vodka dosing for few days.

My reactor is quite dynamic, once you know how it works and how well it react to changes you made, fine tuning it's effectiveness is very simple.


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75 gallon DT, 5 gallon sump, DIY LED bar with moonlight, DIY Arduino controller

Current Tank Info: 75 gallon/Arduino Controller
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