Plant growth: Limiting Factors?
so im a little confused.
i have a 10g and a 55g both planted.
the 10g grows out of control. the 55g struggles.
i have read byrons planted aquarium posts.
and im missing something in this 55g set up.
i dose flourish comp twice a week. i leave the lights on like crazy and have minimal algae growth, but also minimal plant growth. my plants look healthy for the most part, but i cant get micro swords to grow, the off shoots i cut and replant dont grow (from swords, vals etc) my java moss doesn't grow,
the only things that seem to thrive are some planted water sprite some wisteria and a type of val i cant remember the name, its grows stems then the leaves off those.
what exactly is my limiting factor here?
i have two 4 foot shop lights with 2 6500k bulbs and two "red" bulbs, which i run one when im not home and both when i am home, for a total of probably 15 hours a day. the lights do not have reflectors behind them which might be hindering it a bit? could this be it?>
is the limiting factor here CO2?
any insight would be appreciated
The lights not having reflectors might be some of the problem also what are the red bulbs?
What kind of substrate are you using in this tank? I am thinking your limiting factor is nutrients. The reason the water sprite and the wisteria are doing is because they are stem plant which pull the nutrients from the water column. The swords and Vals are substrate rooted plants and pull nutrients from their roots. Might try some root tablets near then and see if that makes a difference. Also make sure not to cut the runners to soon. The need several leaves and roots before the can make it on their own.
I run 2 6500k bulbs on my 55 with regular shop lights no reflectors, 8-10hrs per day, dose once a week with flourish and my plants are thriving. Doesn't really help you but maybe give you some ideas.
You maybe running your lights to long and your plants aren't having proper time to photosynthesize?
another thing i thought of. but the tank runs pretty high temp wise. over 80 degrees. i know this could be effecting my java moss, as it likes cooler temps but the rest im not sure of.
after reading this post, i think this might be related to what my prolbem is http://www.tropicalfishkeeping.com/a...-83347/#859483
the lights are off for 9 hours a day lol is that not enough?
i can adjust it, i left them on longer because i thought was the problem and when i didnt have an algea problem with them being on that long, to me it confirmed this.
i don't know how much dark they need, they may be getting enough. i was just trying to clarify what k19smith was talking about.
Got ya. Thanks for the clarification! Ksmith sorry ofthat came across a little harsh was unintentional if I did!
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Temp does affect some plants as you are finding out along with you water parameters such as the hardness as you read that in the other thread you posted. That goes over my head LoL. I am still learning this and won't try and explain it since you read what Byron had to say about it aways just wanted to clarify some of this topic to the best of my ability.
I would probably reduce the lighting back as others suggest. The reason I am saying this is one of nutrient is C02. Unless you are dosing this in 15 hours the lights are on the plants are probably using it all up before that time. One reason the plants need down time along with the rest of the biological system is to help replace this. I hope this makes somewhat of sense? Others (such as Byron)can explain much better then I can.
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