Second hand tank issues

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Hey! There seems to be a lot of algae growth in the sand of the tank I have and some unsightly growths on the rocks as well as the back wall. The tank was bought for me as a gift but it came from eBay and it would seem that it has been somewhat neglected. I came to that conclusion when looking at pictures of 'mature' tanks online and even they aren't  as bad. There is only one fish and a handful of crabs in it.

What I'm trying to ask is if it's worth trying to clean it up as it is or should I remove the livestock and break it down and reboot the whole thing?

Steveanem

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Reply #1

It's your call but you can still suffer all the same issues with a new tank.
I was going to give up on mine and go down the new set up route..but I decided to keep at it and try to overcome the problems so that when I do buy new, I can be confident of keeping it looking decent.
Set yourself a challenge to get on top of it..plenty of extra water changes and some Phos remover.

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HK_Fuey

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Reply #2

Can you provide some details, then we can advise how to deal with the algae issues?

Tank size
Flow (powerheads rating LPH)
Lighting
- what you got?
- if T5s, what overall wattage, and how old are the bulbs?
- how long are they on for?
Test results
-Nitrate
-Phosphate
Feeding - what and how much do you feed, and how often?
Stock - what fish have you got?

Believe it or not, all of that will have an impact on algae growth.  Algae needs light and a food source (normally nitrate and/or phosphate).  Remove either of those, and it will die off.  You can't remove light altogether (you can for a couple of days to give it a hit, but not long term).  However, you may have the lights on too long, or have old bulbs, etc. and that can be fixed.  Nitrates and phosphates can be reduced to starve it too.
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Marty

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Reply #3

It's surprising how fast algae can set in what with changing jobs and doing long hours 13 hour days in some cases my tank got neglected it soon looked horrendous and took me about 5 hours Sunday to get it all looking as it should so even older systems can go south when neglected and I should know better


You say a secondhand system dud you use the old sand / sand that came with it.

fr499y

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Reply #4

You should see what state the glass can get in if not cleaned every few days! Mine after roughly 4 days is a bloody mess  :grin:

BigShort

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Reply #5

@Marty yeah the sand in the tank at the mo is what came with, it's about 1 1/2" to 2" deep.

@HK_Fuey I'm still in the process of gathering all the test kits and such that I need. I don't have any power heads at the moment just relying on the canister filter I have for the flow. It has one of those spray bars attached to the return pipe. I have a Phos test kit on order but I'm still waiting for that to be delivered. The light system looks like an oldish led unit (Chinese I think) but it flicks from day to night. Not sure of the wattage. As for stocking I only have one fish (Koran Angel) and a few small hermits and snails about 4 of each. The tank size is 160l. As for feeding I have some frozen bloodworm that I'm using up and I only feed once a day at the mo.

Hope this can give you a better idea of what's going on, sorry I can't be more help.

Sadly I can't afford to pick up all the test kits in one go. I'm trying to save up for a RO kit as I currently buy premixed wafter for the water changes.

HK_Fuey

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Reply #6

I'd say top priority is getting a set of water tests done by your lfs.  Once you know what you're dealing with, you can act.  Until then, you have no idea what's causing the issue.
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BigShort

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Reply #7

@HK_Fuey thanks for that, I had no idea they would do that!!

HK_Fuey

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Reply #8

Not heard of one that doesn't.  Some charge for it, but the good ones normally do that for free for existing customers.
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BigShort

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Reply #9

@HK_Fuey

After our last convo I've had my water tested for nitrate and phosphate, it turns out that the phosphate was pretty high and the nitrate was low but could be lower.

Got some brief advice from those guys and bought a couple of my own test kits and the problem algae has not completely gone but has subsided somewhat.

So basically what I'm saying is thanks for sending me to them, as I would never have thought to do that.

mav469

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Reply #10

Sorry just read you have a Koran angelfish in a 180l fish tank. How big is the fish currently.

Not sure if you know but they grow to 12-15" on size. I'm guessing your tank is at max 36" long. You will have to look at rehoming him sharpish. (Sorry mate) will give you a chance to get on top of the water chemistry and decide on what to stock in the tank. Biggest Angel you would get away with is flame Angel, bicolour Angel, lemon peel or the coral beauty really.

Sorry for the negative news. They really need an 8ft plus tank to be happy.

Glad to hear your tank water is moving on the right direction. We're all here to help :)

Ash.

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BigShort

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Reply #11

@mav469

Yeah everything I've read so far says the same thing. So far as I can tell it's a male and I he has already started to change from his juvenile colour. He's about 5 or 6 inches nose to tail. To be honest I didn't buy him, he came with the tank. I figured he would out grow it but I don't know anyone with a big enough tank let alone a marine one.

Any suggestions on how I could go about rehousing him would be greatly appreciated.

Cheers

BigShort

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Reply #12

Been fighting a battle with the tank since I got it, here is a before picture and also one of where I am upto in my clean up

Steveanem

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Reply #13

Nice work. It's looking good.  8D

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HK_Fuey

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Reply #14

Huge difference!  Well done you.  Keep at it.
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