Wookii
Member
I am currently having issues with with a couple of plants. The first being Hygrophila polysperma sunset (Indian water weed). It grows rapidly - in fact it’s the fastest growing plant in my tank, but it’s getting lots of white on new leaves. I know it is a plant that does have white veins naturally, but this doesn’t look quite right on some leaves. Some older leaves are also showing some areas of thin/open patches (see leaf on top left of image):
I’m also have very slow growth on my Cardamine lyrata, which used to grow really well, with thinning of the leaves and yellowing. I wondered if this is due to lack of light, as it is heavily shadowed by hardscape and moss.
Other plants like crypts, mosses, grow really well without an issue. I am also getting reasonable growth with Ludwigia Palestrina and Myriophyllum guyana, though not as strongly as the weeks following initial planting.
I am EI dosing (micros/macros alternate days), using an auto-doser (so on a 14 day cycle without rest days) but also doing daily 25% trickle water changes via an auto-water change/overflow system.
I’m happy my CO2 is on point, and flow and distribution around the tank is good.
So does these issues look like a nutrient deficiency or not?
I live in a hard water area (Nottingham) and have GH if around 13dH and KH around 6dH, so I did wonder if iron was an issue so I’ve been manually dosing 1ml of TNC Iron (DTPA) daily for the last two weeks, which has not improved these two plants (though other plants do look a little greener.
I may need to up the EI dosing to account for the daily water changes, though I wouldn’t have thought any of the macros were running out even so?
Can anyone make any suggestions?
I’m also have very slow growth on my Cardamine lyrata, which used to grow really well, with thinning of the leaves and yellowing. I wondered if this is due to lack of light, as it is heavily shadowed by hardscape and moss.
Other plants like crypts, mosses, grow really well without an issue. I am also getting reasonable growth with Ludwigia Palestrina and Myriophyllum guyana, though not as strongly as the weeks following initial planting.
I am EI dosing (micros/macros alternate days), using an auto-doser (so on a 14 day cycle without rest days) but also doing daily 25% trickle water changes via an auto-water change/overflow system.
I’m happy my CO2 is on point, and flow and distribution around the tank is good.
So does these issues look like a nutrient deficiency or not?
I live in a hard water area (Nottingham) and have GH if around 13dH and KH around 6dH, so I did wonder if iron was an issue so I’ve been manually dosing 1ml of TNC Iron (DTPA) daily for the last two weeks, which has not improved these two plants (though other plants do look a little greener.
I may need to up the EI dosing to account for the daily water changes, though I wouldn’t have thought any of the macros were running out even so?
Can anyone make any suggestions?