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Using prime during cycle

624 Views 6 Replies 2 Participants Last post by  BS3915
Currently fishless cycling a Betta tank, getting impatient with the nitrite stage now, had to do a water change as the nitrite and nitrate were ridiculous & were affecting plants etc.

Tempted to use some prime to speed things up, will this defeat the object of the cycle or no?


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yes, you don't want the BB killed by the chlorine. your tank is more than half way there. you could increase the temperature to the low 80's. but be patient.

is your tap water high in nitrates? interesting that you say it's "ridiculous". numbers would help.
yes, you don't want the BB killed by the chlorine. your tank is more than half way there. you could increase the temperature to the low 80's. but be patient.

is your tap water high in nitrates? interesting that you say it's "ridiculous". numbers would help.
Do you yes to being okay to use or yes to it defeating the object of cycling?

Seachem does state it may be used during cycle, I have added a bit tonight, I always add into tank with water changes anyway, my tap water is fairly good to be fair, I do have to mix 50/50 with RO which makes it relatively perfect for my uses


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sorry for being unclear. using prime would help cycling by neutralizing the chlorine and give your fish some relief from ammonia and nitrite as the tank cycles. so i don't think it helps with cycling per se. seachem's stability would specifically help the cycle; it has BB spores.
sorry for being unclear. using prime would help cycling by neutralizing the chlorine and give your fish some relief from ammonia and nitrite as the tank cycles. so i don't think it helps with cycling per se. seachem's stability would specifically help the cycle; it has BB spores.
No worries, update since last comment, used 1ml of prime and left for 2 days and nitrite shot down and stayed down and nitrate went up, so I did a large water change, left for 24 hours and still all good so I went and collected our Betta, still adding stability every few days, whenever I remember to be honest, prime is only used on water change days & on hand incase needed.

Tank is looking good, a bit of algae staying around but will try to remove most of it on Saturday when I do a water change



Ignore the heater placement, it’s now behind the wood and a black background has been added


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looking good. cute betta. what is that tape like plant in the left corner? looks suspiciously terrestrial.
looking good. cute betta. what is that tape like plant in the left corner? looks suspiciously terrestrial.
Good spot, it is, my LFS keeps all sorts of plants, I’ve kept it before as a nice background d pls t and I’ll just replace when needed


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