Ulns
 

Okay so haven't been arround in a while my tank has been doing good but mostly fish and a few algae issues, I have a Hanna ultra low range checker and in ppb my phosphate is 76 and I believe that's pretty high. I would like to try an ulns. Zeo seams like A lot of work and to me people have said prodibio doesn't work. So what do you guys suggest?


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Take out your substrate over a few water changes. Do a few huge water changes in quick procession afterwards (40-80% ever three days). Wait for your tank to stabilize. Add substrate again after it does. This should take you 2-4 months of hard work, but you'll get there. I did this all the time when I was refurbishing displays.

do what Albert says, then try prodibio. its dosing for lazy asses

My yellow watchmen goby won't like that, do
I remove as much as I can? I have quite a bit of rock work that would make it difficult to get at a lot of the sand, I'm not scared of zeo cuz I'm lazy guess it's more overwhelming. Are there any other systems besides the two, (and bio pellets). Can I use the same substrate to put back in after its rinced?


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Zeo can be very simple. There are only a few core additives and you ideally shake the reactor once a day. I used it and only did the reactor thing once a month (maybe) and still had success.

As for substrate, if you have PO4 bound to it, rinsing won't fix it unless you rinse in an acid solution to remove the top layer.

So I should ditch the substrate and go from there?


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Up to you. Acid washing is a fair bit of work and messy, so I'd just go with new sand. Not worth the trouble of washing it IMO.

Check out my ULNS thread. Some good info in there. On both Prodibio & Zeo.

What is nitrate at? Which kit?

Thanks Doug, some good read, like the idea of mixing the two systems. Myka just did an no3 test with my Hagen test kit (all I have) and it came up as unreadable so under 5


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