It should be used with every water change.
Api water conditioner vs prime.
Seachem prime fresh and saltwater conditioner 4 8 out of 5 stars 11 294 1 best seller in aquarium water treatments.
50 ml 100 ml 250 ml 500 ml 1 l 2 l 4 l.
Some water conditioners like stress coat also neutralize heavy metals and help replace damaged slime coats.
I ve not used it but i have used other live bacteria products such as microbe lift.
It also detoxifies heavy metals in tap water.
Use at start up and whenever adding or replacing water.
This conditioner comes in liquid form.
If you use a water conditioner with your aquarium then you are likely nodding along at my top pick.
Quickstart is a live bacteria product that is as you said used to decrease cycling time.
Both are ideal for use with prime.
The formula of api tap water conditioner incredibly concentrated.
Api tap water conditioner aquarium water conditioner instantly removes chlorine and neutralizes chloramines.
As you said prime is a water conditioner one of the best imo that neutralizes ammonia and other toxins from your water.
At the very least tap water conditioners neutralize chlorine and chloramine which are disinfectants commonly used in municipal water supplies.
When adding new fish use stability.
Stress coat prime and lots of other things are called tap water conditioners.
Ask any aquarist to recommend a good water conditioner and seachem prime will likely be the response.
Api tap water conditioner similar to the seachem api tap water conditioner will remove chlorine from the tap water and will also work to eliminate heavy metals and chloramine.
It will also detoxify any heavy metals found in the tap water at typical concentration levels.
When transporting or quarantining fish use seachem stressguard.