• You are viewing the forum as a Guest, please login (you can use your Facebook, Twitter, Google or Microsoft account to login) or register using this link: Log in or Sign Up
  • You can now follow UKAPS on Instagram.

Apfuk dosing with very hard water

Calrus

Seedling
Joined
29 Oct 2019
Messages
21
Location
Hartlepool
Hi, I'm unsure of what I should be dosing my tank at. So much to take in for me. I've been dosing tnc since I set the tank up 3 months ago but have got a apfuk starter kit to start with ei dosing as my plant health could be better.
Having very hard water I also got some 8% dtpa fe having read that hard water can affect fe availability to plants.
Am I best just following the apfuk mixing guide, as trying to use the rotala calculator left me more confused than anything as chemistry is not my strong point.
My tank is 270l, c02 shows light green, twinstar 1200s at 40% for 7hrs. I've attached my water authority report. I'd be very grateful if yous could take a look and help me make sense of it all.
Any more information pls just ask.
Thank you
 

Attachments

  • Screenshot_20201231-144303_Drive.jpg
    Screenshot_20201231-144303_Drive.jpg
    553.1 KB · Views: 134

dw1305

Expert
UKAPS Team
Joined
7 Apr 2008
Messages
12,735
Location
nr Bath
Hi all,
Having very hard water I also got some 8% dtpa fe having read that hard water can affect fe availability to plants.
That is really hard water, your hardness isn't just calcium carbonate (CaCO3), you have some other salts as well, from the <"Magnesian Limestone Aquifer">. It is only really iron (Fe) that is a problem in very hard water and <"needs to be chelated">. I think FeDTPA should be all right, but I don't have any experience of really hard water.

You could possibly have <"PO4--- deficiencies">, but that is likely to be less of an issue.

If you look at the list of plants that grew in <"Lake Tanganyika"> they should be good for your water.

cheers Darrel
 
Last edited:

Calrus

Seedling
Thread starter
Joined
29 Oct 2019
Messages
21
Location
Hartlepool
Thanks Darrel. It is very hard.
I've various bucephalandra, anubias, crypts, microsorium, hygrofilia and pennywort in the tank. Also some frogbit. I was dosing a little extra potassium along with iron as I'd thought the plants were suffering from lack of both. I used easy carbo iron and potassium for this.
 

Calrus

Seedling
Thread starter
Joined
29 Oct 2019
Messages
21
Location
Hartlepool
Few pictures showing plant health
 

Attachments

  • 20201231_173641.jpg
    20201231_173641.jpg
    4.4 MB · Views: 105
  • 20201231_173658.jpg
    20201231_173658.jpg
    4.1 MB · Views: 74
  • 20201231_173634.jpg
    20201231_173634.jpg
    3.5 MB · Views: 85

Calrus

Seedling
Thread starter
Joined
29 Oct 2019
Messages
21
Location
Hartlepool
Other part of the water report i missed
 

Attachments

  • Screenshot_20201231-144350_Drive.jpg
    Screenshot_20201231-144350_Drive.jpg
    702.5 KB · Views: 92

dw1305

Expert
UKAPS Team
Joined
7 Apr 2008
Messages
12,735
Location
nr Bath
Hi all,
Plant health doesn't look too bad, you look like you may have some interveinal chlorosis, on the new leaves, which would suggest there may be iron issues.
It is very hard.
Certainly is, both hard and salty (conductivity ~1000 microS (1 milliS)). You have a lot of magnesium (Mg), which is unusual for the UK, but conforms that it is water from the magnesian limestone aquifer and the other salts will be from evaporite minerals and possibly sea-water ingress.

cheers Darrel
 

Calrus

Seedling
Thread starter
Joined
29 Oct 2019
Messages
21
Location
Hartlepool
Thanks for taking a look for me. Makes sense, I'm right on the coast.
I've got 8% dtpa fe to dose as I think the plants were struggling to uptake the easy carbon fe I was dosing. I'd like to know how to dose this alongside the apfuk mix I have. Do I mix a separate and dose or can I add to the trace mix?
Again thanks for helping me out.
 

Similar threads

Top