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T8 low light so far

Discussion in 'General Plant Topics' started by Gerryd, Nov 23, 2010.

  1. Gerryd

    Gerryd Plant Guru Team
    Lifetime Member

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    Hi all,

    So quick update on using 240 watts of T8 on a 180 with 20-25 micromoles at the substrate and 45-50 at the surface. Dosing c02 and full EI..

    Aesthetics:

    I personally like it better than the MH. I DO miss the MH shimmer, but was way too much light. A bit yellow, but will try out different T8s over time...

    Algae:

    None so far. But tank is only filled with water as of what, 10/17 or so? 5 weeks maybe?

    Plant growth: Please note some plants are only in the tank for < 2 weeks..

    Slow but steady. Nice color, leaf formation, etc. I could increase the light and speed it up, but why mess with a good thing?? I am in no real hurry...

    Stauro repens 49 - doing well in 20-25 PAR but the lowest leaves do seem to drop more than when I had twice the PAR... but is early on and we will see.

    Pogostemon helferi - doing well at the same PAR as the 49. Starting to sprout side shoots but the specimens are well rooted and sprouting new and larger inner leaves..

    Rotala macrandra Japan - this is a tissue culture sample from Claus.. doing well so far in this low light, as it is only 3-4" tall. Nice formation and seems to be doing well. We'll see.

    Java fern varieties, anubias var, and bolbitus all doing well as expected. I had a LOT of trouble with these plants using MH so I am THRILLED that they are again doing well. I hope to show off some nice bunches and maybe sell some in the future if all goes well.

    I think the anubias petite (minima) is going to do real well, and may eventually become the carpet plant. I think that would look awesome personally....

    I really think that these MH fixtures are WAY overkill for what most of us want..

    I think T8 or T12 is the most I will use for plants going forward....esp as I really like the lower light 'look'.

    I think I will use my MH if I do the tangy tank to help grow different algae forms for them :)

    Bottom line is plants will do well with lower light if all other conditions are met.
     
    #1 Gerryd, Nov 23, 2010
    Last edited by a moderator: Nov 23, 2010
  2. Tom Barr

    Tom Barr Founder
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    You can try different color temps etc.
    Add sockets for a bank of 2 more per side with good reflectors also so you can add more light or not.........

    Regards,
    Tom Barr
     
  3. Gerryd

    Gerryd Plant Guru Team
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    oh yeah, blyxa japonica, nice, growing well, and beautiful green at 25-30 mmoles...

    Tom,

    I can still lower the lights a good 6-8" so can get more PAR if I want so no need to add more bulbs. Maybe 5-10 more overall would do the stauro fine...

    Hate to mess with all else though...Is looking nice so far...

    I do want to try another temp or maybe does giesmann make t8?
     
  4. Infulgeo

    Infulgeo Prolific Poster

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    Can you give us another update on how the plants are doing Gerry?
    i'm def interested as you know ;)
     
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