Tropical Fish Keeping - Aquarium fish care and resources

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gladmist 01-26-2014 09:19 AM

proper lighting for planted tank
I have a 29 gallon tank that is well established with community fish(2 bosemani rainbows, 2 turquoise rainbows, 2 tetras, 3 cherry barbs, 1 panda cory, 1 Julii Cory & 1 oto cat) Tank is 36" x 12" and 16" high. I am delving into live plants and will not have co2 system. I have 2 small airstones and some driftwood in there. Currently i have 2 Deep Blue T5 tubes 39 watt each 10kk. Should I change the bulbs or are those ok? I do not need any specific plants so moderate light plants are ok with me. Just want something more natural looking and healthier than plastic. I currently have some Pennywort and water sprite I just put in there as well as 1 Vallisneria sp. Any help with proper lighting would be appreciated. I have some Seachem Flourish I put in once a week when I do a partial water change (about 5 gallons) PH stays around 7.0

Boredomb 01-26-2014 09:25 AM

Change one of the bulbs out for a daylight bulb that's around 6500k and you should be fine.

Btw Welcome to Tropical fish keeping!

Flear 01-26-2014 09:41 AM

with plants, ... i'd recommend replacing both bulbs for 6500K

Boredomb 01-26-2014 10:18 AM

Plants will grow under the 10k bulbs its on the upper end of the spectrum for them but I know I have seen ppl use them. Which why I suggested just one bulb but nothing wrong with changing both if you want to..

Chesh 01-26-2014 01:49 PM

Love to see some shots of that tank of yours - especially as you start switching over to planted!

I agree with BDM - my experience is only with low/intermediate planted tanks, and I do well enough with a single T8. I'd be nervous that 2 T5's would be too much for my tank to handle without added Co2 - but I don't have experience with the higher light, so I could be wrong!

Let us know how it goes, whatever you decide - and welcome to TFK! ^__^

gladmist 01-26-2014 03:33 PM

1 Attachment(s)
Here is a picture

Chesh 01-26-2014 04:43 PM

Very pretty! Looks like you've got a lot growing in there already!

gladmist 02-01-2014 11:00 PM

I have had some folks tell me this is too much light for a tank with no added co2. Do you think this is the case? Should I go to just one bulb?

Flear 02-02-2014 07:13 AM

the day i hear what carbon deficiencies look like is the day i'll have an idea what "too much lighting" means
till then, ...

Nature, has more light than any planted tank, i'd guess easily 2x the most intense lighting on a planted tank, ... and could be as much as 10x those with a single T8 because they got the aquarium kit (all in one)

the most CO2 nature has is areas with heavy decomposition of old organics on the surface of the riverbed, ... and that's not guaranteed as often enough the places in nature that are getting the most light do not have trees & bushes blocking sunlight, ... nor do they have leaves from these trees and bushes to add to the substrate, to decompose, to add CO2.

do plants benefit from additional CO2, yes
do you have "too much light", ... i'm going to side with 'no' till someone can point out what a carbon deficiency looks like.

i have a 29gallon tank
4x 6500K bulbs
i am sure the plants could benefit from additional CO2, but nothing stops them from growing.

i'm contemplating 8x 6500K bulbs on a larger tank, ... the light fixture will be as wide as the tank
i'm not sure, i'm just contemplating it at the moment

Boredomb 02-02-2014 07:32 AM


Originally Posted by gladmist (Post 3841362)
I have had some folks tell me this is too much light for a tank with no added co2. Do you think this is the case? Should I go to just one bulb?

Are the plants growing? Are they overrun with algae or the tank?? If not then I wouldn't worry about it and keep doing what you are doing. If you do have some algae that's OK too as its going to happen from time to time. It natural and as long as its under control its fine. A balance between lighting both duration and intensity and fertilizers along with the plants you have is what you are trying to achieve. There are many different ways to do this with many different setups. Find what works for you and your tank and stick with it. From the last pic you posted it looks like to me its working. :-D

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