Rain water questions... - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 07-13-2005, 05:55 AM Thread Starter
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Rain water questions...

Hi this is my first post and have some questions regarding Rain water...

My only water source is 100% rain water (have a water catchment tank).

Now I know that rain water is soft right? So what ferts should I be using and what should I be adding to my water to make it usable for plants?

I have not set-up my tank yet but heres what I got so far:
55gal tank, Lots of light 265W of CF from coralife, Press C02 w/ diff., Canister filter Ehiem 2217, Substrate is Eco-Complete lots of it!

Only ferts I have now are Flourish and Flourish iron... Should I be buying some dry ferts as well? (thinking of buying some from gregwatson.com

What do I need to have good growing plants?

I have not tested my water yet, I have a cheap red sea test kit though.

Thanks Josh
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post #2 of 10 (permalink) Old 07-13-2005, 06:00 AM
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I will assume that your rain water is pure water. So you will need to add kH, gH, and just about everything else.

kH = Baking soda. Raise the kH to around 4°
gH = Calcium Chloride and Epsom salts. Raise the gH to at least 4°.
The other thing you can do is place a bag of sugar sand (fine coral sand) in your filter.

For everything else I would use Greg Watson. You will save a TON of money. I do a comparison in my Guide. You will also find dosing directions there. You can purchase the Calcium Chloride from Greg also.
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post #3 of 10 (permalink) Old 07-13-2005, 06:28 AM Thread Starter
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Yes I agree that I will have to add a lot... Is there some set standard of what to add, how much and how often?

Is it possible to mix all ingredients together to make one easy dose? or do I have to add everything seperately?

Also should I tried to e-mail greg on exactly I needed but he did not answer... Would you happen to know what I need to order from his site?

Thanks...Josh
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post #4 of 10 (permalink) Old 07-13-2005, 02:14 PM
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See my Guide for suggest tank dosing.

You can/should order Calcium Chloride, KNO3, K2SO4, KH2PO4, Plantex CSM+b from Greg. Baking soda and Epsom salts you should be able to get locally.

You should dose everything separately as it gives you much finer control and really doesn't take all that long.

You will need to decide how much hardness you are going to add to the water and then get a barrel to pre-treat the water changes to avoid shocking the fish.

But even that is really not necessary as I do 50% water changes with extremely soft water into my tanks where the kH and gH normally run 6-7°.
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post #5 of 10 (permalink) Old 07-13-2005, 09:05 PM
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You also might try Seachem Equilibrium. That not only adds calcium and magnesium in the right ratios, but it also provides potassium, iron, and manganese.

Bill
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post #6 of 10 (permalink) Old 07-14-2005, 12:19 AM
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I use Equilibrium in my high light tank and shrimp tank, and Onyx sand in my 20g. I highly recommend Equilibrium.

James
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post #7 of 10 (permalink) Old 07-14-2005, 08:18 PM Thread Starter
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So with this Seachem Equilibrium stuff do I still need to dose the KNO3, KH2PO4, K2SO4 and Plantex CSM+B ????

WHat about my hardness?

Also where to do I Seachem Equilibrium? Any on-line store sell this stuff cheap?

Thanks Josh
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post #8 of 10 (permalink) Old 07-14-2005, 09:38 PM
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Equilibrium suppplies only the five minerals. You'll still have to add the macro and micro nutrients, if your fish don't supply enough.

Equilibrium will add GH and KH. I suggest that you add it gradually and test the GH until you get it where you want it. I added too much the first time i used it.

An internet search will turn up on line vendors of Equilibrium. I think I bought
mine from That Fish Place.

Bill
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post #9 of 10 (permalink) Old 07-14-2005, 10:49 PM
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I have very soft water here on long island and I use Equilibrium. I still need to add baking soda to raise the KH. The Equilibrium only really raises the GH.

Jeff B
Algae farmer Extraordinaire
-----------------------------------------------
29gallon - AH Supply 1X55w 5500K, 1X13w Red (Night) CP -- pressurized C02, milwaukee regulator, DIY inline C02 Reactor -- Rena XP1
----------------------------------------
Hygrophila polysperma 'Rosanervig'
Echinodorus Uruguayensis "Amazon Sword"
Bacopa monnieri "moneywort"
Cryptocoryne wendtii ''brown''
Cryptocoryne wendtii ''green''
Hygrophila Difformis “Water Wisteria”
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post #10 of 10 (permalink) Old 07-15-2005, 02:52 PM
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Equilibrium does add some KH but not a lot. I have to supplement it also after a while.

Bill
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