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Re: [APD] Dosing Ferts - Help Needed.
> -----Original Message-----
> aquatic-plants-bounces+nicholas_wise=eon-us.com at actwin.com
> [mailto:aquatic-plants-bounces+nicholas_wise=eon-us.com at actwin
> .com] On Behalf Of Vaughn Hopkins
> Sent: Wednesday, February 15, 2006 8:59 PM
> To: aquatic plants digest
> Subject: Re: [APD] Dosing Ferts - Help Needed.
> I think, for 5 watts per gallon, you should dose more nitrate
> per week, at least 10-15 ppm, and add some phosphate, like
> about 1-2 ppm. I'm not sure that DIY CO2 will ever be
> adequate with that much light, unless you use something like
> three bottles, renewing one every week.
I agree that DIY CO2 will never be enough for 5 watts per gallon. With
that much light it is imperative that you have veryu tight control on
all variables. DIY is simply too unstable.
> You need Nitrate, Phosphate, CO2, Potassium and traces, plus
> you need to be sure the Calcium and Magnesium are adequate,
> which they usually are for most tap water. I only have 51
> watts of NO fluorescent light on my 29 gallon, and I dose
> about 1 ppm phosphate and 10 ppm nitrate about every other
> day, plus using CO2. I am getting my algae under control,
> but if I slack up on the nitrate and phosphate I get it
> started again on the glass.
> Vaughn H.
> On Wednesday, February 15, 2006, at 05:40 PM, Matthew Jarsky wrote:
> > Hello!
> > I have been keeping a planted tank for years now, but I
> really haven't
> > had much luck with it except for right at the start (2000) and very
> > recently (last 3 months). I have fumbled around, trying to get by
> > without test kits and I thought I was finally going to succeed when
> > the estimative index method appeared on the scene, but I am still
> > having trouble figuring out how much of which nutrients to dose.
> > This is my set-up (img: http://tinyurl.com/9oske) :
> > 33 gallon tank
> > 175w metal halide pendant (img: http://tinyurl.com/9sgwa)
> Fluval 304
> > 150w heater Fluorite substrate DIY CO2 35-30% water change weekly
> > I don't test these days, but when I did, my pH would get as
> low as 6.8
> > when the yeast & sugar were fresh.
> > The tank has suffered from hair algae and a tiny bit of BGA. At the
> > last waterchange I upped the doses of things a bit and the
> plants seem
> > to be doing better and the algae has perhaps eased off.
> > Using Chuck Gadd's calculators, I have figured out my
> weekly dosing as
> > follows:
> > KNO3: 1 ml (target: 5ppm Nitrate)
> > K2SO4: 5.5 ml (target: 20 ppm K)
> > MgSO4: 12-25 ml (target: 5-10 ppm Mg) - I have been dosing
> about 15 ml.
> > On top of that I add:
> > 1 cap of Seachem Flourish
> > 1 cap of Seachem Iron
> > 1 ml hydroponic trace mix.
> > I have two questions. Firstly, is that about right for the
> weekly dose?
> > And secondly, what should I be dosing through the week?
> > Thanks in advance.
> > Matt
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