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Search: Keyword(s): ; Posts Made By: Zorfox
Forum: Fertilizers and Water Parameters 07-28-2015, 08:25 PM
Replies: 5
Views: 216
Posted By Zorfox
No it wasn't. I calculated for 3 grams rather...

No it wasn't. I calculated for 3 grams rather than 7. I had that 3ml dose stuck in my head I suppose. I corrected it. The amounts are now correct (I think lol)


That's odd. You must have...
Forum: Fertilizers and Water Parameters 07-28-2015, 01:32 PM
Replies: 5
Views: 216
Posted By Zorfox
Since you're doing 50% weekly water changes I...

Since you're doing 50% weekly water changes I would recommend standard EI dosing. Don't let light, CO2 or any of the other things that impact nutrient uptake confuse you. If you do the water changes...
Forum: Fertilizers and Water Parameters 07-25-2015, 06:05 PM
Replies: 3
Views: 202
Posted By Zorfox
Sure you can. Check out Hoagland solution...

Sure you can. Check out Hoagland solution (https://en.wikipedia.org/wiki/Hoagland_solution). It's pretty much the gold standard for hydroponic solutions.

Using what you have, the closest I could...
Forum: Fertilizers and Water Parameters 07-19-2015, 07:56 PM
Replies: 9
Views: 299
Posted By Zorfox
The particle size can vary greatly. I wouldn't...

The particle size can vary greatly. I wouldn't user that to differentiate the two. Do you have either a Nitrate or Phosphorus test? If so use them to determine which is which. You can use the amounts...
Forum: Fertilizers and Water Parameters 07-13-2015, 05:47 PM
Replies: 6
Views: 424
Posted By Zorfox
Possibly. You would need to list the analysis and...

Possibly. You would need to list the analysis and ingredients (maybe listed as "derived from"). Without that information it's impossible to say for sure.
Forum: Plants 07-02-2015, 12:35 PM
Replies: 67
Views: 5,273
Posted By Zorfox
I personally like the experiment. Clearly it...

I personally like the experiment. Clearly it couldn’t be used as an acceptable graduate school thesis. However, there is information that can be gleaned from this. The results will suggest whether...
Forum: Fertilizers and Water Parameters 06-29-2015, 12:25 AM
Replies: 15
Views: 698
Posted By Zorfox
Okay. I thought you were using pure R/O. Provided...

Okay. I thought you were using pure R/O. Provided your water has sufficient calcium you should be fine then. Sorry for the confusion.
Forum: Fertilizers and Water Parameters 06-28-2015, 11:03 PM
Replies: 15
Views: 698
Posted By Zorfox
I came back because it dawned on me... I missed...

I came back because it dawned on me... I missed something. If you're using pure R/O for water changes you should be using GH booster as well. If you use a booster with Ca, Mg and potassium you could...
Forum: Fertilizers and Water Parameters 06-28-2015, 06:43 PM
Replies: 15
Views: 698
Posted By Zorfox
No, not hardly. lol To me, algae are mother...

No, not hardly. lol To me, algae are mother nature's way of telling us there's a problem. Each algae likes different conditions. Learning why each thrive steers us towards a solution to improve the...
Forum: Fertilizers and Water Parameters 06-28-2015, 05:52 PM
Replies: 15
Views: 698
Posted By Zorfox
If you're changing 40 gallons a day that's more...

If you're changing 40 gallons a day that's more than enough for the EI method. I would highly recommend you obtain some KH2PO4. This may have a lot to do with the plants that aren't thriving.

As...
Forum: Fertilizers and Water Parameters 06-28-2015, 03:55 PM
Replies: 15
Views: 698
Posted By Zorfox
Actually, PMDD is an old mix. When it was...

Actually, PMDD is an old mix. When it was conceived the general consensus was that phosphates caused algae. Therefore, PMDD has no phosphates included.

Fast forward to today. We now understand...
Forum: Fertilizers and Water Parameters 06-26-2015, 10:53 PM
Replies: 6
Views: 389
Posted By Zorfox
My theory (and it's just that, a theory) is that...

My theory (and it's just that, a theory) is that there is "free DTPA" to bind other ions in the water column. My thinking is that if you add nothing except DTPA you would see a decrease in ORP. So...
Forum: Fertilizers and Water Parameters 06-26-2015, 04:22 PM
Replies: 6
Views: 389
Posted By Zorfox
I would suspect (guess) the DTPA is to blame...

I would suspect (guess) the DTPA is to blame rather than the precipitation of iron. DTPA is a much stronger chelate than EDTA so I would expect to see a much stronger reaction. Typical iron chelates...
Forum: Fertilizers and Water Parameters 06-22-2015, 11:38 PM
Replies: 13
Views: 436
Posted By Zorfox
The numbers I listed were an average single EI...

The numbers I listed were an average single EI dose comparison.

The actual fertilizer percentages are this...



Plantex CSM +B Rexolin CXK

Fe 6.53% Fe 3.4%
Mn 1.87% Mn 3.2%
Forum: General Planted Tank Discussion 06-22-2015, 05:33 PM
Replies: 2
Views: 227
Posted By Zorfox
It's certainly a viable option. Many hobbyists...

It's certainly a viable option. Many hobbyists use soil substrates successfully.

I personally would mineralize the top soil first. This is a process which allows bacteria to decompose the organics...
Forum: Fertilizers and Water Parameters 06-22-2015, 02:36 AM
Replies: 13
Views: 436
Posted By Zorfox
I would personally not use it. It seems too high...

I would personally not use it. It seems too high in boron, manganese, Zinc and copper for a planted tank. Below is a comparison of Plantex and Rexolin. Plantex has been widely used without problems....
Forum: Fertilizers and Water Parameters 06-22-2015, 02:02 AM
Replies: 2
Views: 286
Posted By Zorfox
There's no simple answer to what GH is...

There's no simple answer to what GH is appropriate for plants or fish. When you hear "this fish likes soft water" they are referring to low GH not PH as most assume.

Plants are a different story....
Forum: Fertilizers and Water Parameters 06-15-2015, 02:39 AM
Replies: 11
Views: 360
Posted By Zorfox
I just noticed this a week or so ago. A...

I just noticed this a week or so ago.

A typical EI dose of Plantex or any Trace mix is based on iron content. Typical calculations target 0.5 ppm or iron per dose. If you crunch the number in the...
Forum: Fertilizers and Water Parameters 06-15-2015, 12:45 AM
Replies: 11
Views: 360
Posted By Zorfox
I like the way Diana calculates solutions. It's...

I like the way Diana calculates solutions. It's easy and requires basically no math. However, the initial dose needs to be very close to what you need in the end. The doses mentioned from the sticky...
Forum: Fertilizers and Water Parameters 06-13-2015, 11:23 PM
Replies: 11
Views: 372
Posted By Zorfox
The ppm of iron and PO4 are the same for PPS-Pro,...

The ppm of iron and PO4 are the same for PPS-Pro, 0.1 ppm each day.

To raise Fe and PO4 to 0.1 ppm in 10 gallons use the amounts below.

Plantex 57.97 mg
KH2PO4 5.42 mg

A full weeks worth...
Forum: Fertilizers and Water Parameters 06-13-2015, 07:04 PM
Replies: 11
Views: 372
Posted By Zorfox
That's not the concentration in his tank. It's an...

That's not the concentration in his tank. It's an automatic top-off reservoir. How many ppm that equates to in the tank? I have no idea. We need tank size and amount of solution being added to know...
Forum: Fertilizers and Water Parameters 06-13-2015, 05:15 PM
Replies: 11
Views: 372
Posted By Zorfox
I'm no chemist so take what I say with a grain of...

I'm no chemist so take what I say with a grain of salt. There are variables that can alter the stability of the nutrients. A week or so? Maybe. Six months? Probably not.

Since Plantex uses EDTA...
Forum: Fertilizers and Water Parameters 06-11-2015, 06:03 PM
Replies: 8
Views: 342
Posted By Zorfox
Yes your were reading it wrong. Those numbers are...

Yes your were reading it wrong. Those numbers are Calcium Carbonate equivalents. That's a common measure when reporting alkalinity. You have hard water. The amount of Ca and Mg are more than...
Forum: Fertilizers and Water Parameters 06-10-2015, 04:17 PM
Replies: 8
Views: 342
Posted By Zorfox
1. Hoppy gave good advice about checking your...

1. Hoppy gave good advice about checking your water report. The levels you stated below are very high. Make sure there is not a decimal point or another measure rather than mg/l. 190 mg/l Ca and 110...
Forum: Fertilizers and Water Parameters 06-06-2015, 06:43 PM
Replies: 5
Views: 263
Posted By Zorfox
I see a few problems with your system. ...

I see a few problems with your system.


R/O water will be virtually void of minerals. So you'll need to add them. I would suggest a GH booster such as Seachem since it contains Ca, K, Mg, SO4,...
Showing results 1 to 25 of 250

 
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