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[Aqua-Digital]

Bingo, there is the little devil

PO4!

Do a heat test at that level and it will be higher than that.

First thing important here is regular water changes, what is happening by doing such staggered changes is the PO4 is leaching into everything it can including the live rock, in fact your live rock is one big yummie PO4 bath right now.

You need to do at a one off 25% for two weeks followed by weekly 10%.

The Ultra Life and the Ultra Bio will help significantly in skimming out all the nutrients, but this will not be a quick fix under no illusion.

If you are game I will send you the Ultra Life and Bio, but you will need to be strict in following what is recomended.

LMK

[Mrfish55]

I'm game, I will be doing a 30 gal waterchange tomorrow and will repeat every 2 wks untill the numbers get back in line, did'nt think it was that bad as the fish are looking real good.

[banditpowdercoat]

My PO4 allways .005 or less. Most times, I can not detect it with the Salfert kit.

[Aqua-Digital]

In regards to the fish not being affected by high PO4 you are 100% right they will show no real sign of stress although it can lead to a general weakness of teh immune system as the fish are kept in conditions that are not native to them, nitrate in high levels will also cause gill deformaties.

The biggest issue for fish only systems is tank appearance, algal blooms Cyano, to name just two.

Drop me an email at sales@aqua-digital.com and we can go from there.

Dan - do a heat test on the PO4 then see the results, it could be higher than you really think.

[banditpowdercoat]

Originally Posted by Aqua-Digital

In regards to the fish not being affected by high PO4 you are 100% right they will show no real sign of stress although it can lead to a general weakness of teh immune system as the fish are kept in conditions that are not native to them, nitrate in high levels will also cause gill deformaties.

The biggest issue for fish only systems is tank appearance, algal blooms Cyano, to name just two.

Drop me an email at sales@aqua-digital.com and we can go from there.

Dan - do a heat test on the PO4 then see the results, it could be higher than you really think.

Never heard of a heat test, how do I do that?

[Aqua-Digital]

Take a sample of tank water
Heat to 80oC
Allow to cool for 5 mins
Take PO4 test

What does this do?

PO4 is bound into the water molecules, when not heated only the loose PO4 elements are tested, by heating it PO4 elements are released and as such giving you the TRUE PO4 reading.

[banditpowdercoat]

Would it make any difference that my tanks are around 81C right now? It being summer time and all.