Where Has My Iron Gone - The Planted Tank Forum
LinkBack Thread Tools Display Modes
post #1 of 6 (permalink) Old 06-24-2003, 07:17 AM Thread Starter
PTrader: (0/0%)
Join Date: Jun 2003
Posts: 2
Send a message via AIM to nicodemus99
I dose my 120g tank with Flourish Iron, among other things, and test constantly to monitor my parameters. For some reason, iron will never stay in the system; 12 hours after putting in 30 ml (twice the recommended dosage), my iron test shows the level to be 0.0 ppm). So I put in 30 ml more, and the next day the level is 0 again. Could my plants possibly be using up all this iron? I'm keeping amazon swords and some java moss. I know the test kit works, because the iron shows up if I test immediately after dosing. My substrate is mostly gravel, with some fluorite mixed in. I have a bunch of driftwood in there, no carbon, a little green spot algae on the glass. What's going on? Should I continue dosing up to 60 ml of Flourish Iron per day?
nicodemus99 is offline  
Sponsored Links
post #2 of 6 (permalink) Old 06-24-2003, 09:22 AM
Planted Tank Enthusiast
2la's Avatar
PTrader: (0/0%)
Join Date: Aug 2002
Location: Portland, OR
Posts: 993
Hobby-level iron test kits are notoriously poor, though I have the Seachem Multitest kit and believe it to be fairly accurate. What test kit are you using, and are you allowing half an hour or so for the reagent to react with the chelated iron? How much light do you have?
2la is offline  
post #3 of 6 (permalink) Old 06-24-2003, 09:18 PM Thread Starter
PTrader: (0/0%)
Join Date: Jun 2003
Posts: 2
Send a message via AIM to nicodemus99
I'm using a Hagen test kit. I do wait half an hour for the color to show, and like I said the test will pick up the iron if I test right after I dose the tank. My lights are a mix, I've got a 55w compact fluoro, 36w compact, and 4 20w fluoro overdriven with 2 100w ballasts. I only have half of the tank planted.
nicodemus99 is offline  
post #4 of 6 (permalink) Old 06-26-2003, 03:58 AM
PTrader: (0/0%)
Join Date: Jun 2003
Posts: 1
Send a message via Yahoo to Fishspanker
I have the very same issue with my Red Sea test kit (it claims to be for chealated iron)...I am beginning to doubt its accuracy as well. Can anyone reccommend an affordable and accurate iron test kit (a link to an online retailer would be greatly appreciated.

Or perhaps a tank could be consume that much iron? I would appreciate some input from others as well.
Fishspanker is offline  
post #5 of 6 (permalink) Old 06-26-2003, 12:46 PM
Planted Tank Guru
Rex Grigg's Avatar
PTrader: (65/100%)
Join Date: Dec 2002
Location: Portland Orygun
Posts: 9,600
A word of advice. Forget about testing for Iron. Even the LaMotte kit is not that accurate or reliable. Just dose the tank and watch the plants. Are the red plants red? Are the plants healthy? If so you have nothing to worry about.
Rex Grigg is offline  
post #6 of 6 (permalink) Old 04-26-2004, 09:55 AM
Algae Grower
PTrader: (0/0%)
Join Date: Mar 2004
Posts: 46
Carbon in your filters removes iron from the water which is why I use purigan since its not suppose to.
general1107 is offline  

Quick Reply

Register Now

In order to be able to post messages on the The Planted Tank Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
Getting an Iron reading (any at all) scolley Fertilizers and Water Parameters 17 10-03-2004 09:21 PM
FE test that does work??? MAYBE I FOUND ONE! fedge Fertilizers and Water Parameters 18 07-27-2004 09:42 PM
Chelated Iron sqarit General Planted Tank Discussion 9 03-07-2004 03:11 AM
chelated iron question wendyv General Planted Tank Discussion 6 02-18-2004 08:50 PM
Iron Question DocG Fertilizers and Water Parameters 1 08-29-2003 06:42 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome