Ram,
I was asking if there was a chart that could help guide me on the amount of CO2 I should inject. I have not found one. I have only found the CO2 - Ph - KH Charts that indicate my CO2 levels in my tank are at 1.5ppm by the chart I found. It is contributed to plantedtank.net. I am guessing if my CO2 is really that low then, lack of CO2 is my main issue with plants looking bad. I started tank with a plant substrate, can't remember the name and placed gravel over that. Plants did really well for about 4 weeks then gradually started looking bad. The first plant I removed was, I believe, Rotala macrandra. Which requires high light. I figured my T-8 bulb was the reason it was doing so poorly. It became so fragile that the leaves would just fall off when brushed or disintegrate when touched. Then what I think is a type of Bacopa started looking brown I cut off the brown leaves but then they got so covered in algae that I ended up removing most of them because I was distorting them trying to clean the algae off. That's when I upgraded to a quad T5HO light. I have some Amozon sword left that looks yellow green with brown tips and some brown spots that do not rub off and what I think is Cryptocoryne albida that's leaves also seem very fragile. The light didn't seem to make much difference other than increase algae. So, I recently started using API CO2 booster and Aqueon liquid Plant Food and put some root tabs in. Not noticing mush difference yet. I have also recently added new plants; Java fern, Microsorum pteropus 'Windeløv', and Anubias barteri caladiifolia. My new plants are looking ok but it has only been a week since they have been in the tank. I am hoping they help with algae control but I believe I am going to have to add CO2 to keep my plants healthy.
