Tropical Fish Keeping - Aquarium fish care and resources

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Grits 02-08-2008 09:51 PM

Foliage not doing so well...
I have an Amazon Sword and a Hygrophila They both looked pretty good for a while. They all have really good root systems still. But the foliage is going down hill.

The Amazon Sword leaves are getting holes in them, you can see through them, and the tips of the leaves are turning yellow.

The Hygrophilia is getting new growth at the top but the lower leaves are turning black around the edges and kind of curling up.

Thanks in advance!


PH 7.0
Nitrates 40
Nitrites NA
KH 4
Amonia 0

tigger 02-09-2008 03:38 AM

What lighting and fertilisation do you provide in the tank?

Grits 02-09-2008 08:29 AM

I have 1 40 watt Power-Glo 18,000K light. I haven't added any fertilizer yet. I don't know the first thing about that and I don't want to hurt the fish. I have:

1 Red Tail Shark
1 Rainbow Shark
2 Clown Loaches
3 Spotted Corydoras
1 Zebra Bottia
2 Golden Rams
2 Black Iridescent Swordtails
2 common plecs

willow 02-09-2008 09:16 AM

you could always get some root tabs,i have used them and
got on well with them,saved me measuring out quanity.
push them into the gravel/sand near to the plant.

icom 02-09-2008 11:30 PM

lighting should be 6500-6700k, that 18,000k is more a saltwater light spectrum,really nothing in it "useful" for plants

what size tank ??

tigger 02-10-2008 04:14 AM

I should have asked the size of tank from the start as well, as the colour of the leaves indicates either a lighting or a fert (or possibly both) deficiency. Root tabs are a good idea imo, since both of those plants are heavy root feeders and will appreciate some fertilisation near their roots. I like JBL the 7 Balls, as they last an awful long time (if left undisturbed) and are fairly inexpensive.

Flashygrrl 02-10-2008 10:06 AM

tigger-read in the freshwater cycling section, please

soco1125 02-10-2008 11:08 AM

get some root tabs to fertilize. after i started using them regularly, my amazon sword started sending runners with babies EVERYWHERE.

fish_4_all 02-10-2008 02:54 PM

40ppm nitrates is highest it should be. Anyhting over can be harmful to the fish unless you add salt regularly and then you won;t have happy plants.

Nitrites:phosphates 10:1

The plants look like they are suffering from a lack of everything. Mostly light and Iron but nitrates and phosphates for sure and especially potassium. Looks like you have fast growth and the lack of nutrients is leading to the plant focusing on new growth and neglecting older growth.

Grits 02-10-2008 09:00 PM

Thank you all!!!

I would love to lower my nitrates. They are 0 out of the tap. But I have done water change after water change. And they just don't get any lower than 40.

Any more ideas on lowering them? Or why they aren't going down with the WC's?

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