How to decrease po4?

Stop dosing the nopox, your stripping your water too clean. The nopox will remove both of them. I’d use phosguard instead. (Responded to your other one also). Your doing too much too fast, easy up just a tad. You need some nitrates and some phosphates. But dosing nopox decreases both, and if your doing water changes also, it’s best to stay w water changes. Because of the size of my tank I use the nopox, but once you start you can’t stop and unwise to miss dosages. Other tank parameters will help, size of tank what kind of coral fish you know the usual stuff :)

You can't just go from dosing nopox to stopping that could honestly really harm your tank especially if you have coral. If you tell someone to stop using nopox at least tell them to decrease gradually about half a ml to 1ml each day depending on size of tank till you are down to 0ml. lol learned this the hard way a very long time ago
 
I think you need to sit back a little and consider what your trying to achieve.

You don’t say the size of the tank, but if you’ve ordered GFO just wait for it to arrive and then use it in a media bag (much less effective) but ideally in a reactor to tumble it. If you have corals you may need to use the GFO in smaller amounts to start so it doesn’t affect their health by stripping the phosphate quickly if they’ve become accustomed to the higher levels

There’s no point adding Neonitro in one hand, and then stripping the nitrate back out with a 50% water change, and in addition using Nopox which reduces nitrate . It won’t touch the phosphate levels as it’s not very efficient at that even when nitrate is present.

So my advice would be to sit back, maybe add the neonitro, or more fish to bring nitrate up, and then use the GFO to bring phosphate under control

Identify each problem, research what to do, and then implement the solution. And be patient, levels won’t change necessarily overnight.

Hello,

Oh my goodness we have a fellow Brit:). I’m super jealous that I’m not back in England. From your post bob is definitely your uncle. You had some great advice for the op.
 
Hello,

Oh my goodness we have a fellow Brit:). I’m super jealous that I’m not back in England. From your post bob is definitely your uncle. You had some great advice for the op.
Thank you Sarah, Is cold and miserable her today ! Lol

Oh I forgot the freezing damp mist that I’m supposed to go and play golf in!
 
Thank you Sarah, Is cold and miserable her today ! Lol

Oh I forgot the freezing damp mist that I’m supposed to go and play golf in!

Hello,

My goodness dear of all the things to do on a cold wet misty day, and you choose golf? Ahhhh yeah. But you will never get that fresh clean smell though. I tried golf once, and it did not go very well.

I went with some co workers once and borrowed golf clubs from my dad. I kept missing so I used his whiffle ball bat and tossed the ball and hit it. They glared at me and said you can’t do that. When I came to my ball again I couldn’t hit it, so I picked it up and threw it. They glared even more and said you can’t do that. My response is well I can’t hit it with the club either so can I kick it? But this is gonna be a long long 18 hole of golf with me on board.
 

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