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From my experience 4 T5 tubes with good reflectors/ballasts was WAY too much. Currently I have 2 T5s hanging 80cm from substrate and its more than enough . I think it all depends on the quality of the light fixture. Some of them have very poor reflectors, cheap ballast so the output is weak even...

Half a turn (or less) to fully opened, so it wont stuck at that position :)

Maybe someone could suggest a very good needle valve? I dont know if there is such a thing, but i wish that this valve would "click" when adjusting, this way I could feel how much I've turned the nob. Also international shipping would be great... Thanks a lot!

Maybe you should consider using a sump? Crystal clear surface and evaporation will be only visible in the sump, also you could install auto top off system....

Strange, but I dont get such a rapid degassing with my wet/dry... 2 hours after co2 shuts off PH increases from 6.4 to 6.8, when the PH in the morning is 7.3. Dry sections is not sealed, only the overflow is silenced from all the gurgling and splashing. Question: does PH drop/increase instantly...

I think aeration plays major role in stabilizing co2. Check this testing: Stable enough CO2? - Aquarium Plants

Dropping KH wont increase CO2 concentration in water, so I dont know why would you need to decrease KH.

What's that white box in tank?

Tom, How did you fix client's tank?

Well PAR is impossible to measure, since I dont have the meter and I am guessing no one has it in my country :( But I have oldschool lux meter... With 2x24w: 7000 lux - at surface, center of tank; 5000 lux - at surface, in corner. Also at 8am: 600lux from window on the side glass; didnt have...

Currently my photoperiod is 7h of 2x24w T5HO, from 12:00 to 19:00. Light is raised about 40cm from water surface and aquarium is 60x60x45cm (length, depth, height). CO2 starts at 10:00, goes off at 18:45. The room is quite bright - the windows are facing the south. Aquarium gets few hours of...

Am I mistaking something, or you have always suggested good surface agitation? "point spray bars upward..."

I was reading a bit about root rot in hydroponics, and people suggest to add H2O2 (Hydrogen peroxide) to water. Since I add about 0.5 liters of water every other day (due to evaporation), I think I'll add some H2O2 also. This should increase oxygen level for roots and prevent rotting.

Well, substrate has slope, and it looks like it doesnt matter how far glosso is from water level, it just doesnt want to grow... Could it be some kind of root disease? Because the rot always starts at the base of stem. And after a lower part of stem rots off, upper part just dies because it has...

I am struggling quite a lot with glosso in my emersed setup. Every other plant seem fine (anubias petite, ludwigia palustris, crypt parva, moneywort), but glosso's new leaves are yellow, growth is very slow and sometimes it rots off from roots and all upper glosso stem just drys off. I had big...

For flow I am using JBL crystalprofi e1500 with flute output on the back wall. CO2 - pressurized, external atomiser. Well, I am thinking I will go with 3 bulbs and ability to light them up separately. I'll start with 1 at first.

Wow, I was thinking not less than 2 bulbs. I guess that was the reason this tank failed in first try :D Anyway, thanks for input. Going to remake my light pendant....

Hello everyone, How many 24w T5HO bulbs would you recommend for 60x60x45cm (24x24x18inches) tank. When each lamp will have its own reflector, pendant is ~15cm (6inches) from tank top. CO2, planted tank Thanks in advance

Re: Schruz's Works Hello, How do you collect all the trimmings?