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With more light, you always need more CO2 and nutrients, but that depends on
your actual CO2 level. And I think we need to know how much you are
actually dosing, we need the concentration of your solution, or prefferably
how much ppm of each element you are bringing up on each dose, and what's
the level of each of your tank, and plants condition... etc.

But generally, you do need more nutrients with more light.

Hope this helps
Kenneth Ho

----- Original Message -----
From: "Dave M. Picklyk"
Newsgroups: rec.aquaria.freshwater.plants
Sent: Tuesday, June 08, 2004 2:00 PM
Subject: here are my specs, how often should I dose ferts?


Hi! The following are my specs, how often should I dose?

15 gallon wide aquarium / 25-28ppm CO2 / 4wpg

I had 2.5wpg before and was dosing .6ml per day of traces and once a week
I
dose 2.5ml of K2SO4 with 50% water change. (Not dosing nitrate since my
fish
are supplying enough of that) Now I have 4wpg, should I be dosing the
K2SO4
twice a week but only 1.25ml doses? Should I increase my traces dosing or
dose that in bigger quantities less often during the week.

If Tom Barr could prefferrably answer these concerns that would be
awesome!!

Thanks alot!

Dave.






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