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Re: Prime

PostPosted: Mon Apr 01, 2019 8:26 pm
by Bd79
ken31cay wrote:I premix Safe in water then add that directly in tank before I start to fill. When you use Safe (or Prime) make sure and use enough for the entire tank volume not just for the amount of water you are putting back in, since it will also bind to ammonia in the old water and be used up.

Interesting. Why would there be ammonia in the old water?

Re: Prime

PostPosted: Mon Apr 01, 2019 9:17 pm
by Sub-Mariner
Bd79 wrote:
ken31cay wrote:I premix Safe in water then add that directly in tank before I start to fill. When you use Safe (or Prime) make sure and use enough for the entire tank volume not just for the amount of water you are putting back in, since it will also bind to ammonia in the old water and be used up.

Interesting. Why would there be ammonia in the old water?
There is always ammonia, that's what fish expel and rotted food etc. create but the nitrogen cycle consumes it.

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Re: Prime

PostPosted: Mon Apr 01, 2019 9:43 pm
by ken31cay
Bd79 wrote:
ken31cay wrote:I premix Safe in water then add that directly in tank before I start to fill. When you use Safe (or Prime) make sure and use enough for the entire tank volume not just for the amount of water you are putting back in, since it will also bind to ammonia in the old water and be used up.

Interesting. Why would there be ammonia in the old water?


I find that Safe/Prime also comes in handy in the case where you need to hold you fish in a temporary container for a few hours, like say you're moving your tank to a different spot. Put in a nice dose and you don't have to worry about ammonia building up during that time.

Re: Prime

PostPosted: Tue Apr 02, 2019 10:35 am
by Bobsled
ken31cay wrote:I premix Safe in water then add that directly in tank before I start to fill. When you use Safe (or Prime) make sure and use enough for the entire tank volume not just for the amount of water you are putting back in, since it will also bind to ammonia in the old water and be used up.


I use this technique as well.

All good information here. :thumb:

Re: Prime

PostPosted: Tue Apr 02, 2019 2:42 pm
by Bd79
Sub-Mariner wrote:
Bd79 wrote:
ken31cay wrote:I premix Safe in water then add that directly in tank before I start to fill. When you use Safe (or Prime) make sure and use enough for the entire tank volume not just for the amount of water you are putting back in, since it will also bind to ammonia in the old water and be used up.

Interesting. Why would there be ammonia in the old water?
There is always ammonia, that's what fish expel and rotted food etc. create but the nitrogen cycle consumes it.

Sent from my SM-G960U using Tapatalk

Right. But if the ammonia is consumed by microbes in the nitrogen cycle, there isn't much there for the Safe to interact with.

Re: Prime

PostPosted: Tue Apr 02, 2019 6:30 pm
by ken31cay
Right. But if the ammonia is consumed by microbes in the nitrogen cycle, there isn't much there for the Safe to interact with.


But assuming you turn your filter off during the water change process then you would have ammonia building up as the fish will continue to excrete it. Since the majority of that nitrogen cycle occurs when the water passes through your filter.

Re: Prime

PostPosted: Wed Apr 03, 2019 4:01 pm
by Bd79
At the risk of belaboring the point, yes, but how long does it take to change water and how much ammonia is created during that window?

Re: Prime

PostPosted: Thu Apr 04, 2019 9:21 am
by Methodical2
Sounds like a future test for someone.

Re: Prime

PostPosted: Tue Apr 09, 2019 11:16 pm
by BlueSunshine
ken31cay wrote:
Right. But if the ammonia is consumed by microbes in the nitrogen cycle, there isn't much there for the Safe to interact with.


But assuming you turn your filter off during the water change process then you would have ammonia building up as the fish will continue to excrete it. Since the majority of that nitrogen cycle occurs when the water passes through your filter.


I could see this if one is running a bare bottom tank. Other than that...not a very true statement as far as I am concerned.

But....... If there is a fair amount of substrate in the tank, the nitrogen cycle should still be complete inside the tank. We only use our filters for mechanical filtration. When cleaning, I blast everything clean with a water hose and have had no problems for many years.

To the point of the original post. We've been using safe for a few years now with no problems. I add it straight to the tank during water changes, from 10 gal. tanks to 150 gal. tanks.
:) :)

Re: Prime

PostPosted: Tue Apr 09, 2019 11:59 pm
by ken31cay
Bd79 wrote:At the risk of belaboring the point, yes, but how long does it take to change water and how much ammonia is created during that window?


I can't answer both questions. But doing my normal 70% water change maintenance in my 450gal takes 2.5 hours, sometimes longer depending on level of cleaning I do. I suppose with a smaller tank you might get away with only using the dose of Safe/Prime for the water you are replacing but it won't hurt to dose the entire tank volume. That is the recommendation strait from Seachem's dosage instructions. I wouldn't risk it personally.