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Plants Bubbling and Nutrients



Is there a paticular nutrient that helps the saturation of oxygen in the
water and causes plants to bubble? In my current set up I dose kent + Kno3,
mgso4, and kcl, 3watts/g w/ a DIY co2 and nothing grows. I know KNP are
limiting factors in growth so I've started to dose those in extreme excess
:) However I'm not really seeing any growth at all and it doesn't appear
that algae is thriving either, I lost an oto the other day I believe to
starvation and my other oto still has a sunken belly. Plants aren't showing
any nutrient deficiencys other than my sword which has some magnesium
deficiency, tho nothings growing or dieing and niether is algae. I added .8
ppm of iron a week ago, and it's still .8 ppm as of today. Is Phosphorus
required for plant growth? I'm wondering about this cause I rarely add fish
food to my tank.. but I know I've had K and N defieciencies for a very long
time. I've been trying to cultivate java moss for over a year, started out
pretty much with 3"x3" and now it's finally a handfull. I have had a boron
deficency on a jungle val along time ago (recently threw it out), though
without actual pictures of all the deficiencys, it's very difficult to
figure out by description, since some defiiciency's have similiar
discriptions.Suggestions?

- Matt