After trying several dosing methods with marginal success I want try EI by the numbers. I'm trying to extrapolate from the examples in the EI light thread and noticed that the larger the tank the higher the dosing percentage. For example taking the 20-40 gallon regime x10 requires 2.5 tsp KN03 but 100-125 gallon x3 would need 4.5 tsp. I'm not really looking to understand the concept, just the numbers that apply to my tank.

Also my water is very very soft so I need quite a bit of GH booster. I've asked this question on several forums and never got an answer but I would like to make my own booster and need some kind of formula.

BTW, before anyone asks the tank is high light, high tech, very good c02 and heavily planted.

Thank a bunch for any help!!

Steve

Low GH water is lacking in magnesium and calcium. You can dose Epsom Salts, Magnesium sulfate, and one of several calcium compounds, including Cacium nitrate and calcium chloride. There is no magic ratio between calcium and magnesium, but you need more calcium than magnesium, so 4 parts calcium to 1 part magnesium would work.

The GH boosters, including Seachem Equilibrium, were designed for adding to RO/DI water, so they contain other elements that would be removed by the RO/DI filters, but just for soft tap water you don't necessarily need those elements, and a trace element mix would provide them in any case.

Dosn't P04 fit into the GH booster formula as well? My tap water is not only soft but fairly well stripped of minerals. The local water board lists potassium as "not detectable".

Thanks for your input!

Plants consume potassium, nitrates and phosphate so rapidly you have to dose those anyway. EI takes care of those. The reason for making a special effort to dose calcium and magnesium is that the quantity needed to build up the GH is so great that a trace mix would never be able to supply that much. Other elements that are needed are needed in such small concentrations that they fit well in the trace mix.

Given the limited success of other methods, you do not mention them, it might have little to do with that and more to do with CO2/light etc.

EI is not going to save anyone from those issues, nor is any method.
As EI has richer non limiting suggestions, it might is some cases where high light is present and the folks add enough CO2. Likewise, say PMDD where PO4 is limiting may work reasonably well where EI might not if the CO2 is low, and not noted by the aquarist or assumed to be the same.

So there's more to it than this.

In a high light 350 Gal, I add this weekly:

High fish load and well fed.
50-60% weekly water change
Trim, clean well.

3-4x a week:
1 table spoon of KNO3
1 teaspoon KH2PO4
75 mls of TMG

After water change only: 1.5 Table spoons of GH booster

Sometimes the CO2 tank runs out when I'm not around. So I might get a tad of algae at high light before getting to change the gas tank, I'll have them add Excel at 150mls for a week or two and things are reset and clean again.

That's about it.

Mostly a CO2 tweaking is about all I really need to worry about.
Tank has been up and stable for 4 years now.









Regards,
Tom Barr

Hi,


IMO, I think you do yourself a disservice with this comment/attitude.

Even if someone says dose X of this and Y of that, and it works for you now, you will have learned nothing, and will not be able to understand or react when things change or again go south.

I can understand you not wanting to be overwhelmed by EI at first, but I do not understand why you would be willing to take anyone's advice (no disrespect to anyone) so blindly. It appears you have done this before and it has not gone well based on your opening line........

Tom IS an expert and this forum does have great knowledge, but you should try and understand WHY someone gives certain advice and why it does or does not work, regardless of it's source.

EI dosing is very variable from tank to tank, and even within a specific tank, based on light and nutrient demand, c02 availability, current, fish load, plant bio-mass, etc.

Since you have tried other dosing methodologies, you should have no problems with understanding the concepts and application of EI.

If not, folks (including myself) are happy to help.

Thanks,

P.S. I do not mean this in any way, shape, or form as any kind of personal attack and I apologize if it did, or you are offended

Gerry, folks will come to understand and learn more as they get more involved over time. Hard not too really. Everyone has their own pace and learns when they so chose. I do however go after folks that want to talk the talk, ask the questions, bicker endlessly, but then claim they do not really want to know why or claim they do not care that much. I do wail on folks when they say things counter or are just being wind bags and not helping much.

If someone wants just the simple stuff and nothing more, that's their goal and a specific question. I pointed out why the light/CO2 other methods may not have given them the best results.

Those are the common errors, so this way they are covered with the minimal jargon. They will talk Plant jargonese later on

This person has bought into it already, but just wants to know what to add to make sure.

Give them time. They just wanna know how, once successful, then they can pursue more in depth stuff and are more confident and familiar.
It's a lot to take in in most folk's case.
And that's the simple version.

I felt the same way when I first started out and did not want to display my own ignorance. I still feel quite stupid about a great many topics in the aquarium hobby and have never considered my self an "expert", those are labels given to me by other folks. I'm a bone head and feeble minded............
But I know it at least and try to make plans to avoid some of that.
If someone brings up why, then I'll try to answer that, "How" question are easy

Do not give me more work Gerry, hehe.


Regards,
Tom Barr

Gerry.
I'm not offended in any way and understand the passion that you, Tom and many others have for this hobby. At the risk of getting flamed, I have to admit that I do not share that passion. I want a piece of living art as the centerpiece of my bar. Nothing more, nothing less. The fact that I live in the middle of nowhere prevents me from hiring a maintanence service which I would do in a heartbeat. The tank has been a saltwater F/O, an SPS reef and now planted-discus. I have to admit that the current version is the most challenging.

Having said that, It's my intention to provide the most hospitable environment for the inhabitants of my tank and it is necessary that I undersatnd how to acheive that. Knowing why a thing happens helps to understand how to manipulate that thing but as Tom said, knowing how is what I'm looking for right now, the why part will come when I change something and see the results for myself.



Tom,

I really appreciate all of your help.




Cheers!
Steve

I knew it!
Haha, yes, many folks are in this boat.


Well, I can give some hints to reduce the pain and make the pesky bugger easier for you.

I think a huge back ground in plant Physiology and science is NOT the least bit required. I had a nice looking set up without any schooling or real background other than some fish keeping.

Some are curious and want to know more with time, some just want a specific goal, nothing more, they have other interest etc.


Well, you are a caring owner, that much is evident.
With that, you can go a long way with the tank.

More than any know it all without the caring..........

Some questions shall follow.

Regards,
Tom Barr

Steve,

1. Since the tap is nice and soft, great, jujst add the GH booster, do not worry about the KH at all(as ling as it's 5 degrees or less).

2. How is the water change set up done right now?
Do you use a siphon etc and refill with tap or RO etc?

3. Filter type here.
Flow, wet/dry sump, pumps etc etc

4. Type of lighting, watts, bulb types etc.

5. Fish load planned.

I'll tell you CO2 will be the biggest issue and you may need to fiddle with it a fair amount to get it dialed in, after which is should be fairly stable.

The nutrients, truthfully, are very easy.

If you can set the tank up to turn a valve to quickly drain it 60%, and turn another to refill it somewhat quickly, this will make your life much easier, this can be done DIY or hire a plumber to make it like flushing a toilet.

When you need to work on the tank and get in there, this will make it 20X easier(when it's 1/2 full).

Otherwise you are wet, make a mess, cannot reach some spots without dipping the head in.

Get some Excel for problems, Big Al's sells 4 liter amounts 37$.
Tropica master grow is good and they sell 5 liter jugs also.

GH booster and the ferts you can get on line as well.
They are cheap.

If you have HQI/MH's lighting, run them only 4-5 hours and during business hours, use the PC's, FL's, T5's only during the hours before and after the MH's.

If you have a wet dry sump, raise the level in the over flow(if built in) to about 2-3" below the water level in the tank, so you will need to cut and add a new standpipe, see Hofner Gruggle buster for keeping the sucker quiet.

Duct tape the Wet/dry box lid up so that no air can escape in/out of the dry section in the sump. This is important as you will see later.

CO2, feed into return pump.
Dialing in the right amount of CO2 is not going to be that easy.
Anyone that tells you otherwise is full of crap.

If you have an issue raise the light up and reduce the hours.
This will reduce the CO2 demand.

90-95% of all the issues will be due to CO2 as long as you maintain the water changes, light, and normal maintenance.

Select plants that require less light also and consider reducing the intensity of the light.

You might want to think of a cooler deep forest feel, the discus will pop out and color up better.

Not the harsh intense light.
More light = more work.

Something you will not want.

Where is this located?
I might know someone.

Regards,
Tom Barr