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Thanks for the great profile Madasafish! I just got six Rainbows and they are now my all time favorite fish. I hope they stay in that rank for awhile. bob :D

Surface scum happens. Old dead matter, or decaying fish. I never had it show up for almost two years but this year it frequents my tank. I hear its normal and no worries. It comes and goes. Supposedly live bearers like Mollies or Swords will skim it away, but my two Swords don't do much for it...

Ahh! What great work by Madasafish. Well done Madasa... and thanks for posting Brian. I wish such had been available for me when I first delved into CO2. Would have saved Rex many answers to my questions. Two thumbs way up! Bob :!:

Corvus, What kind of regulator are you running? I have a Milwaukee all in one. Can that manifold work with the attached solenoid? Also, do you put both tank's lights on the same timer controling the solenoid? I was thinking of getting a second CO2 tank for a new 90 I'm setting up, partially...

You'll need to be able to get to the probe to re-calibrate it with buffer solution every month or so. Just keep the Diod in the water and you can submerge it, I believe, tho I don't own one. Near the intake is fine is my guess. You can get some suction cups (four in a pack) from Big Als for...

As I noted in the other post, many folks with pressurized CO2 tanks keep some calcium carbonate in the cannister filter to maintain depleted KH from CO2 injection. Every few months you have to replace it. Maybe half to 3/4 cup of crushed coral, oyster shells or the like... for a bigger 90 gallon...

You may need to occasionlly add a little crushed coral or oyster shell material to your cannister filter to replenish depleted CC and KH if you ever decide to run your pH in the mid to high 6 pH which plants love. Usually a half cup of CC material will do it. Of course, all this depends upon...

Well said Malkore!

If its BBA, aka Black Brush Algae, and that was my first suspicion when I read your first post, the only known cure/control is going pressurized CO2 with an inline reactor and keeping your CO2 at or near 30ppm. The reason one needs to go pressurized is that DIY CO2 can never get up to 30ppm...

:oops:

I think with 3 or 4 inches of substrate on a 24 inch high tank, that the 72 watts might be a bit high but not off the charts for medium light. I bet the 56 watts would work pretty well. I have one 55 watt AH Supply PC on a 26 bow (very similar size) which is a mediumish light tank. And if you...

Yeah, that German MIRO reflector will make the difference, is my guess.

I would say the most important component to getting your bright reds back is wattage per gallon. I have only 55 watts of AH Supply on my 26 bow and the Altenanthera reineckii pink is red as a christmas poinsetta. But AH supply lights are 60% brighter than most big name brands like Coralife...

I'm in the same boat ... as I am contemplating a 90 or a 120 or a 110 tall etc. and having fun researching lights. Unfortunately with a tall aquarium, I may need to go metal halide and I found a pair of 150 watt PFO brand pendants at marine depot...

Roger and thanks Brian. Are you using Spray bars? TIA. Bob

Hey folks. I could use some help/opinions here. I own a new unused Rena XP3 I bought with the intention of getting a four foot 80 gallon I have seen at Petsmart. I can't return the XP3 as I "borrowed" some hose from it... Another tank that I am considering instead is the All Glass standard 90...

I think its probably excess micros and too much light and maybe not enough plants. Not too much light time, but too many AH Supply watts. Just my guess. I am curious if eliminating the siesta will help . I am doubtful on that, because there are clouds in nature too. Is it possible to bump the...

You could add your KNO3 at water changes or put it in at the spray bar if you have one, slowly. Yes, you will make a stock (wet) solution that you will add to the tank per Greg Watson's formula and Chuck Gadd's dosing recommendations. Gregg Watson will gladly help you with any questions...

Brian, I just uploaded a pic I took last nite of my 26 gallon bow. I don't know how to put them into these quick replies so it should be in my gallery soon. I look forward to having some space to work with once I finally pop for an 80 or 90 gal. I don't think the algae problem is iron, but I...

Hey Brian, Just saw your pm on my email and jumped right over to AA. Well, does it grow on your glass? That algae looks a tiny bit lighter in color than the stuff I finally wiped out, but very similar. I agree with Tank Girl to beware of dosing phosphates though the .5 seems o.k. I would crank...

Thats why I usually lose $ at poker and never buy lotto tickets. But I may start soon. :lol:

I have read online in the Krib and heard from reliable sources that iron is hard to accurately measure. I have also read and found it to work that when the plants seem a bit "yellow", just add some (Seachem) iron, and perhaps more if they don't green up. Regards a dosing regime, I would follow...

Yeah, sounds like BBA (Black Brush Algae) which is actually a red algae. It prefers alkaline water and is hard to get rid of except with CO2 kept at 30ppm, in my experience. But you can slow it down with frequent water changes and thoroughly cleaning or pruning where it grows. There are some...