My previous light is satellite 65watts, and i change it to dual 65watts so i can have a high light tank cause i also upgraded my DIY to Pressurized
65w on a 29g is highlight and plenty enough to grow anything, 130w is overkill.
If you cannot grow plants with 65w on 29g, do you think 130w will help?
More light does not=better, learn how to grow plants first, the massive amounts of light does not help if you do not understand how it works.
i have a photo period of 8 hours daily, actually my bulb are both 55watts but i think its still 65watts. so you suggesting me to increase my dosing of KNO3 and trace right??
No, I am not suggesting you increase your dosing, I was simply posting what I dose which was your original question, I have heavy plant load and very light fish load, so I dose heavy with 65w on 29 with very good results.
What I was suggesting is that you decrease your light intensity until you can gain a better understanding of what is going on inside that tank and with the plants.
I dont dose this ferts 1/16TspK2S04, its optional right? cause im getting that on KNO3 and KH2po4
Optinal? with 130 watts? no, I think it would be needed. the minimal amount you would be getting from KN03 and KH2P04 I doubt would be enough to satisfy the demand of 130w.
I disagree. I have (and I've seen many others who do also) a 110w on a 20H for 12 hrs/day and as long as you keep the ferts up and Co2 pumpin', it's fine. I definately think that what he has is a deficiency though. I would do about 50% more than what you are, especially if you're doing EI. That allows you a lot of wiggle room and the best thing to aim for at that point, is making sure you have no deficiencies.
I was mearly being nice when I told him it was to much light, because I feel as though I am repeating myself over and over, if you can not grow plants with 65w on a 29g then you definitely can not with 130, therefore it is to much light. That much light on a 29g for the full photo period is to much and un-needed, but not impossible.
it will only open you up for problems if you have a limited amount of knowledge on the subject, take a couple of steps back, slow down and reevaluate the situation for a better understanding of how the plants grow and what their needs are.
I can throw 200watts or more on my 29g successfully, but not for the full photoperiod, but I don't, it is not needed, the margin for error with that much light becomes much broader and easier to achieve.
I was not implying that it could not be done, because it certainly can, but, one must have a better feel for it than thinking more light=better plant growth, which is simply not true.
It has been a long week, I am glad to be back home!!