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post #1 of 10 (permalink) Old 07-23-2013, 12:46 PM Thread Starter
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New to Plants

Hi Guys
Firstly i hope that im posting this in the correct forum.
Ive been keeping tropical fish off and on for a few years now and recently decided to setup my first real planted tank
ive been having a hard time maintaining healthy looking plants and im not quite sure what im doing wrong. so im here for assistance

my tank setup is as follows
Tank
its a 4 foot 184 litre tank or 48 gallon

Lighting
i picked up this led light on ebay for cheap i hope its not blatantly incorrect lol these are its specs i copied off the ad

ITEM DATA
Dimension 3' 11.24" x .74" x .6 inces
Color Black
Shell material Al+C
Input voltage 84~265vAC
Device Cree XPG/XPE
Device Qty 32pcs
Device color Blue and white
Wavelength 455nm royal blue
CCT(white) 8000k
Ratio 1:1
Weight 8.5kg
Temperature less than 35
PAR(100cm) 600


Substrate
washed play sand

Filtration
Eheim 2217
DIY co2 going into eheim inlet
airstones heater etc

im using some plant fert tablets i got from a lfs that supposedly last up to a couple months making sure to place them away from the root systems
anyway theres a fair few leaves on my plants that have algae on them thats not really my main concern its more the burnt brown look and curling of a majority of them as seen in some of the pics.
could my light be too powerful for the depth of the tank?
my water parameters are as follows

pH: 7.2
Ammo: 0.25ppm
Nitrite: 0pmm
Nitrate: 0ppm

the hardness is quite high as i dont have an R/O unit and my tap water is pretty hard
the kH is 161.1 and the gH test takes more than 11 drops to change to green.
this doesnt seem to bother my fishes though as i have a happy jack dempsey, a red jewel an angel and 2 bristlenoses that have been fine for about 8 months.
anyway here are some pics of the issues i mentioned and one of my tank
thanks
~Benson
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post #2 of 10 (permalink) Old 07-23-2013, 01:12 PM
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Looks like brown algae on your plants. Otos will take care of that and keep your tank clean. I have 3 in a 40 gallon breeder, and they clean up really well. Dont harm the plants, and clean just about everything else. Also to much lighting can cause brown algae. I only have my lights on for about 6 hours a day, and feed my fish one to two times a day. Nice cave too! Is that wood?
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post #3 of 10 (permalink) Old 07-23-2013, 01:22 PM Thread Starter
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Originally Posted by andrewq View Post
Looks like brown algae on your plants. Otos will take care of that and keep your tank clean. I have 3 in a 40 gallon breeder, and they clean up really well. Dont harm the plants, and clean just about everything else. Also to much lighting can cause brown algae. I only have my lights on for about 6 hours a day, and feed my fish one to two times a day. Nice cave too! Is that wood?
ah cool ill look into getting a couple to clear the algae up, ill give limiting the light a shot and see if the plants heal any.
yeh its like a hollowed out tree trunk or something lol i found it in a mates garden and thought.. "that looks like driftwood.. wait a minute.." its great! my jack loves it haha
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post #4 of 10 (permalink) Old 07-23-2013, 01:26 PM
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Lol, petsmart has otos on sale right now for $1.
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post #5 of 10 (permalink) Old 07-23-2013, 02:02 PM
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Get that fish sunglasses. If the specs are right, you got yourself a marine light. PAR of 600 @ ~24" can make your life rather 'interesting' rather quickly.

That aside, your tank is not cycled yet.

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post #6 of 10 (permalink) Old 07-23-2013, 02:28 PM
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600 PAR! Wow - I spent week agonizing over 2 fixtures, 20-30 PAR at depth or 50!

Went low, probably should have gone higher, but 600 is a nuclear flamethrower


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post #7 of 10 (permalink) Old 07-23-2013, 02:59 PM
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You better get presurized co2 asap because that DIY wont even make a dent with that much light...
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post #8 of 10 (permalink) Old 07-23-2013, 11:00 PM Thread Starter
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oh no... probably should have researched before thinking.. 4ft led fishtank light for $90 with 2 mins left, bid bid bid.

any suggestions on what to replace it with?
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post #9 of 10 (permalink) Old 07-23-2013, 11:41 PM Thread Starter
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Quote:
Originally Posted by OVT View Post
Get that fish sunglasses. If the specs are right, you got yourself a marine light. PAR of 600 @ ~24" can make your life rather 'interesting' rather quickly.

That aside, your tank is not cycled yet.

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How is my tank not cycled yet? Its been setup for nearly a year with 25% fortnightly water changes.. am I missing something?
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post #10 of 10 (permalink) Old 07-24-2013, 12:09 AM
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Ammo: 0.25ppm
Nitrite: 0pmm
Nitrate: 00

Indicates your tank isn't cycled. A cycled tank will be

Ammonia 0
Nitrites 0
Nitrates 5 to 20

Do a search on cycling a tank with fish. Ammonia and nitrites can be toxic to fish in higher levels. You'll need to monitor it. Do you wash your filter sponges in the dirty tank water you remove with water changes?
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