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[APD] RE: Lamprologus and BGA

"I have no way of making accurate tests for other nutrients or growth 
factors for BGA but understood from much of the recent traffic that 
increased K levels MAY help reduce BGA problems. The 10 gallon tank is not 
supplemented with CO2 and my Aquarium Pharmaceuticals Dry-Tab kit generally 
gives results of about 30 ppm before a 25% water change and 20 ppm 
afterwards. Fish include 6 Neo. ocellatus (up to +1.25 in) and 3 white 
clouds. Local water is hard with high mineral content.
Would additions of this supplement be likely to help reduce BGA problems 
and if so in what levels?
Phil Bunch"

Phil, I don't think you will find a factor specific to each algae in many
What you might try is a better approach, work on the plants, forget about
the algae.
BGA is easy to kill. We can control and handle it.

No, adding K is not going to do anything, your plants are not going to grow
fast not because of lack of K but because of lack of CO2.
Your tank might not have enough K, but it';s more likely it's a CO2, NO3

If you do large water changes(most do on smaller tanks that have algae
issues), then the nutrient levels are very(too) low. 

If you do non CO2 methods, a general tenent is no water changes till you
have to prune the plants due to overgrowth.
If you are breeding etc, then you likely are doign water changes etc.

There are other factor with growing a nioce non CO2 planted tank but that's
one I think you are not doing(no Water changes)?

To get rid of BGA in the tank:
See the many post inn the archives about BGA and blackouts.
Remove as much as you can manually/prune=> Water change 50%=> 3 days of
complete darkness(wrap tank in trash bags etc) add KNO3, 1/8 teaspoon for a
10 gal, wait 3 days, remove bag, do another water change, add 1/8 teaspoon
KNO3, fed fish more in the future/do less water changes.

Tom Barr 



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