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#1
12-10-2013, 01:42 PM
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Rising po4
Noticed that my bonsai started to discolor a little and decided to check po4. Came out .16
The only thing I've done is move a few rocks around and tried using aquavitro fuel 2x a week Has anyone here used that product. And found any phosphate from it 
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#2
12-10-2013, 02:10 PM
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The phosphate was likely in your system before you started rock-scaping and was released into the water column when you disturbed the rock. I had the same thing last week when I did some work on the rock and my sand bed. Of course they had to spike just when I ran out of Rowaphos.
Water changes, GFO and more water changes in my future. Sounds like the same for you.
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#3
12-10-2013, 02:19 PM
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Yes today is a 25% wc.
I haven't run any Gfo in over a year either. I use prodibio and it's done good. But I added some chemi pure elite into reactor yesterday. To help out In the past I have tried cheato but it would just dissolve. I'm contemplating trying again though I'll wait to see if it drops or rises with the wc and chemi pure My skimmer does not pull much unless I add coral snow. I only have three fish so I don't expect it to pull much I don't know a lot about phosphate. I know there is organic and inorganic. Are inorganic phosphate able to be removed by bacteria or macro?
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#4
12-10-2013, 03:39 PM
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Good question, I don't know if it would. If I had to guess I'd say yes it would but I'm only basing that on algae blooms found around river deltas due to farm water run-off. I'd use a pouch of GFO or Phosban and change it out every five or six days for a few weeks. That should set things right.
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#5
12-10-2013, 03:51 PM
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I have been also have my purple bonsai start browning a bit after redoing my rock work and my Phos is at .20. I started running a new batch of RowaPhos and will run water changes over the next two days.. I hope it colors back up!
I also have SeaChem Phosguard Phosphate Remover but not sure if I should use it or not..
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#6
12-10-2013, 04:27 PM
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Quote:
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#7
12-10-2013, 10:25 PM
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Quote:
Yes, inorganic Phosphate (orthophosphate) can be utilized by algae, bacteria, phosphate removers, etc. Inorganic cannot and cannot be tested for but can break down to form inorganic phosphate which will in turn be taken up by the above (almost as quickly as it is released). Greg
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#8
12-11-2013, 04:23 AM
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*edit:
I said inorganic twice. Meant organic the second time. Organic phosphate is bound within organisms or organic compounds and isn't free in the water column for algae, gfo, etc.
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#9
12-11-2013, 08:03 PM
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So I did a 25% WC and this brought po4 down to .08
That was yesterday. I check today and again it's back up to .16. I cleaned out my reactor full of hydroton and am preparing another WC. Why does the phosphate keep rising. I have three fish, no sand blow off rocks 2x a week and employ prodibio.
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