Oscar/mollies question

[TO KYO]

1. I have like 6 males mollies and 1 female, but none of them tried to breed with her? Could it be due season change, or because she’s very territorial and they don’t like her?
2. I’m trying to get better with plants. I’ll probably mix some Cichlid sand with fluval soil and that will bring down my ph significantly. My guess would be 7.4–>6.5/6.8. Can Oscar live in such a low ph? I heard they are tough as hell

 

[Metalhead88]

That range would be perfect for Oscar's. The main thing with pH is stability. If you have pH swings you will have deaths.

Are you planning to put the Oscars and mollies together? This is not a good mix. Oscars get large and will eat the mollies for sure.

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[Byron]

On the pH issue, the extent to which the Fluval soil will lower pH depends upon your initial GH, KH and pH of the source water. If there is significant buffering, you probably will not see much if any lowering of the pH.

I agree with respect to the Oscar. The GH is even more important though. Ranges for this species are 5 to 19 dGH, pH 6 to 8, temperature 22-25C/71-77F. What is the tank size? One Oscar requires a 75g (4-foot length) minimum. And at 12 inches (30 cm) length, I concur the mollies will be meals.

To the molly breeding question, it is more likely you do not have a female. Five males would have killed one lone female long before now solely by their aggressive persistence.

 

[TO KYO]

That range would be perfect for Oscar's. The main thing with pH is stability. If you have pH swings you will have deaths.

Are you planning to put the Oscars and mollies together? This is not a good mix. Oscars get large and will eat the mollies for sure.

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No, I have 2 tanks

 

[TO KYO]

On the pH issue, the extent to which the Fluval soil will lower pH depends upon your initial GH, KH and pH of the source water. If there is significant buffering, you probably will not see much if any lowering of the pH.

I agree with respect to the Oscar. The GH is even more important though. Ranges for this species are 5 to 19 dGH, pH 6 to 8, temperature 22-25C/71-77F. What is the tank size? One Oscar requires a 75g (4-foot length) minimum. And at 12 inches (30 cm) length, I concur the mollies will be meals.

To the molly breeding question, it is more likely you do not have a female. Five males would have killed one lone female long before now solely by their aggressive persistence.

It’s 100% female just very aggressive and it seems like none of them are interested in her. Whenever I add any of my other females they quickly go for them.

 

[Metalhead88]

No, I have 2 tanks

Ok cool. What size tanks do you have?

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[TO KYO]

Ok cool. What size tanks do you have?

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48”x27” and 370 power filter