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120 Gal Dutchy Freestyle - Now with 35% less water volume!

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So this is a journal for my new 120, which replaces my long running 75 gallon. For anyone who followed the previous tank, this one will be basically the same style with just a bigger footprint.

First planting, about 2 months ago.


48" x 24" x 24" Marineland 120 gal


GLA Grow 1 regulator, 10 lb tank.

DIY PVC reactor. Main pipe is 3" x 24"

CO2 cuts on 90 min before the lights, goes off 1 hour before. PH drops 1.1 by lights on, proceeds on down 1.3-1.4 at peak. Livestock are fine at this level, heavy flow and good surface agitation helps.


Two canisters: 1 Aquatop CF 500, and 1 Hydor Pro 600

Measured flow combined is about 600 gph.

1 Koralia Nano 425 for added circulation

Both canisters have SunSun intakes with the skimmer

Left corner is the the Aquatop. Using a 1" outflow pipe to reduce velocity (the in-tank flow is crazy!)

Right corner is the Hydor. The CO2 runs inline with this one.

^also you can see my LED night lights, mounted on each end of the main fixture.


Black Diamond blasting sand


6 bulb T5HO hydroponic unit

Bulbs are front to back:

TrueLumen Flora
Agrobrite 6400K
Zoo-med Flora
Plantmax 3000K
ATI Purple
TrueLumen Flora

Fixture is 9" above the tank, PAR at the sub is around 120. Having lots of red bulbs help keep it down, not to mention awesome color rendition. PAR would be a lot higher at this distance with more 6500Ks, for example


Macros 3x week
7.5 ppm KNO3
1.3 ppm K2PO4
3 ppm K2SO4 (for 6-7 total K)

Micros 3x week
.015 Fe from csmb
.02 ppm Fe dtpa

** Micros are more now because Im rolling my own instead of using csmb. Will update the amounts once I arrive at the sweet spot.

50%-60% water change every 6-7 days


25 Harlequin Rasboras, will soon get this up to maybe 30 or so
6-7 otos
Trio of young German Blue Rams, just coming into their adult colors
10-12 Amano shrimp

Here's the latest rendition. Plant groups are no way shaped for height or footprints. Mainly just tentative placeholders of where things are going to be. Have lots of ideas to try, and open to any suggestions! :)

Detailed plant pics to follow....
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· Registered
61 Posts
Thats right. Those are new side shoots.

What happens to stem plants when they get shocked for some reason, like getting shipped, fert deficiency, anything that makes them temporarily unhappy. The stem gives up on the primary top and starts devoting its resources to making fesh new stems, which are ideally better adapted to the current conditions.

What i would do with those is just let them go for 2-3 weeks andd see how the look. By then you should either have a bunch of decent looking side shoots that vcan be pinched off and replanted. Look for ones that have a root or two coming from the node the originate.

Or, if there's not much in the way of nice growth to salvage, cut the whole group down to about 2-3 inches and leave the rooted stumps in place. They'll come back out wit better growth that's adapted to your conditions.

Of course all of the above assumes you have a well running, clean tank with goo2 co2 and ferts.

But no I dont believe itds a fert issue because there's too much going on, too many so-called "symptoms" at once.
Thanks for the explanation. The same happened with the ramosior Florida I got from you but the side shoots look awesome now and I cut them off and replant, keeping the main stem in place to grow more side shoots...greed and capitalism you know [emoji23][emoji23]

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· Registered
61 Posts
Yep, do that and you'll have florida coming out your ears in a bout 3 months
Hahahaha I had a good batch 3-4 months ago but lost those in another tank due to stem necrosis/droop. Not planning on a ramosior Florida kill tank now!!!

Thanks for the plants and all the help man.


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