Tropical Fish Keeping - Aquarium fish care and resources

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JuzAsh 11-29-2009 01:15 AM

Sick plants...HELP
We have resently set-up a 180 litre (50gallon) tank...with external 800L/hour filter, a 40watt ultraviolet tube & a 40watt red tube our fish are happy and health but our plants aren't looking very good. One has lost pretty much all its leaves and all have a brown tinge. We feed them API leaf zone once a week is this enough? any other suggestions would be great...
Thanks in advance

fighttest 11-29-2009 01:59 AM

ultraviolet light will kill anything it comes in contact with

jmlampert23 11-29-2009 07:24 AM

i would suggest changing your lights, and changing your fertilizer. use Seachem comprehensive it has 17 nutrients that the plants need in it. feed one cap full once a week for ever 50 gallons of water. plus for any swords use a stick fert in the gravel near the root of the plants. also remember some plants will loose their leaves to acclimate themselves to the new water conditions

Byron 11-29-2009 11:26 AM

Agree with former posts. The main problem that must get fixed is lighting.

Plants ned blue and red light, and the easiest way to achieve this is full spectrum tubes rated around 6500K. They are significant in the blue and red but also include green which balances the otherwise "purplish" tone and the colours of plants and fish appear natural. As you have two tubes, a full spectrum plus a cool white would be best. But full spectrum alone will also work fine.


willieturnip 11-29-2009 06:50 PM


Swap them for any other bulb and you should be away. Even "warm white" 3000k bulbs would be FAR better than them.

Actually warm lighting makes for good plant growth, depending on the plants, due to the accentuated reds. Aim for something at the 6500k mark with a high CRI (and good PAR ratings if you want to get into that)..

Angel079 11-30-2009 10:23 AM

Apart from the change of light suggested above already.

What plants exactly do you have in the tank?
What's your temperature in this tank?

JuzAsh 11-30-2009 09:45 PM

were not exactly sure what the lights actually are...we whre just guessing it a 4 ft aquarworld refector light which has 2 40 watt gives off a natural warm light and the other one gives off a blue light...not sure if that helps??
and the water temp is 26-27 degrees

Angel079 12-01-2009 08:45 AM

Turn off the power to your lights, unscrew them you will find a name on the bulbs, that'll help determine if they need replacement or not ( 9 times outta 10 bulbs coming with the fixtures as standard set do indeed require replacement for proper plant growth).

JuzAsh 12-02-2009 07:39 PM

ok so on the tubes it says extra day high glow and the other one is a marine blue moon!

jmlampert23 12-02-2009 08:33 PM


Originally Posted by JuzAsh (Post 284187)
ok so on the tubes it says extra day high glow and the other one is a marine blue moon!

the marine blue is not good for freshwater aquaria. as byron stated go with a full-spectrum and a cool white bulb. a good full spectrum is a lifeglo 2 or try the coralife nutra grow

Fluorescent Aquarium Lighting: Coralife Nutri Grow Plant Lamp

Fluorescent Aquarium Lighting: Zoo Med Tropic Sun Fluorescent Bulbs

this is the setup i recently ordered. it is in the mail.

also i would get some seachem flourish comprehensive supplement for the planted aquarium. follow the directions on the bottle and you will be golden.

Supplements for Healthy Planted Aquariums: Seachem Flourish

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