Lasses Dream Build

[Lasse]

Update

PO4 today 0.52 mg/L No La only GFO

Sincerely Lasse

 

[Lasse]

A person on a Swedish online forum asked me why I didn't use an aluminum-based phosphate absorber instead of GFO. In his experience, Al-based absorbers were more effective in terms of phosphate. That's my experience too, but my latest ICP showed about 40 µg/L Al. That's the cutoff point for me and then I'll stop using Al-based removers for a while - the iron-based ones take Al too. I usually mix them normally

I follow the levels carefully

OCEAMO has analyzed the effect of different absorbers on macro, trace elements and pollutants here. The study is done as a lab test - low flow, spiked samples and lots of absorbers so it probably doesn't fully reflect what happens in an aquarium but gives some guidance. It also includes Zeolite and activated carbon.

Al based media and GFO media

The second reason is that I have some trace elements that are starting to approach my upper cut-off value - want to bring them down a bit. GFO (the iron-based one) has proven to be very effective at this.

Al-based and GFO based

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A third reason is that my iron-based (ATI) will be clogged at the end of its life cycle and since I plan to dose some Lanthanum just before I change the media, it will be an excellent fine filter for the Lanthanum/PO4 flocs

Once I have better control over my PO4, I will run mixed again - predominantly Al - if I run phosphate precipitation with solid media.

Read the article from OCEAMO - it provides excellent information

My measurements today PO4 0.52 and NO3 7.2 - Hanna Marin Master

Sincerely Lasse

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[fishguy242]

Happy Birthday Lasse !! may it be a good one... :winking-face: :)

 

[Lowell Lemon]

Happy Birthday Lasse !! may it be a good one... :winking-face: :)

I second this sentiment!

 

[Lowell Lemon]

Happy Birthday Lasse !! may it be a good one... :winking-face: :)

I second this sentiment!

 

[Crabs McJones]

HAPPY BIRTHDAY @Lasse

 

[Lowell Lemon]

I only hit the reply once...honest!

 

[chema]

Hi Lasse: enjoy a great birthday!!!

 

[Daniel@R2R]

Happy birthday @Lasse! We appreciate all the ways you have been such a blessing to our community!

 

[mjszos]

Happy Birthday, thank you for all of the knowledge and kindness you've shared with us over the years!

 

[RevMH]

Happy birthday!!!

 

[Fish Styx]

Happiest of birthdays to you, Lasse! Best wishes for a relaxing and enjoyable day.

Namaste

 

[sfin52]

 

[Lasse]

Thank you all

For the moment - we are in Hungary - staying with a friend that live in Hungary.

Sincerely Lasse

 

[Lasse]

Back home since a week and everything works out well during my vacation. Still fighting my phosphate - now down to around 0.3 - 0.36. I have tested with LaCl - very weak solution in two different ways - trough a filter and through my skimmer - not very good results at all. Still i think that's my GFO and Al absorber does the best job. I tested a weak concentration slowly injected into my skimmer intake (0.1 ml/minute). Unfortunately, it skimmed over and my "shutdown" sensor didn't work - all the phosphorus-rich water in the skimmer cup flowed back into the sump. I'll just have to try it again. The sensor works now!

Sincerely Lasse

 

[Lasse]

Did a new test with adding LaCl in the skimmer intake. Half a hour later I read 0.26 mg/L on my Hanna Marine Master. Looks lie it works - will run tomorrow too

Sincerely Lasse

 

[Lasse]

Still around 0.3 in PO4. Did some photos and a video yesterday

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And the video



Sincerely Lasse

 

[Connaissance]

That's awesome, Lasse!

 

[sgdnycct]

Beautiful!!!

 

[Lasse]

Change half of the CO2 media yesterday

Sincerely Lasse