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Hi
I am new to the forum, my name is Andy. I have been keeping marine fish for about 4 years now and have learnt a lot during that time, like a lot of what not to do but also a lot of what should be done.
I started with a BiOrb with a modified filter pump filled with carbon and phosphate pellets, sand substrate and live rock with an starry blennie and a pair of clowns, but quickly realised this wasn't a good setup, so upgraded.
my upgraded and present setup is a Juwel LIDO 120 ltr tank with Juwel filter housing filled with live rock and filter floss, Juwel Protein skimmer ((Pre Juwel remod)which is rubbish), 2 power heads and an eheim surface skimmer, deep sand base with live rock back wall, pillar and outcrop. occupants of the tank are my original pair of Clowns, a male red scooter blennie, and a allen's damsel, a flaming scallop, a tube anemone, numerous turban snails, bubble bee snails, conch snail and  columbellid snails a blue legged hermit, and a couple of rock pool hermits (unsure of the variety). I also have a few varieties of marco algaes and also still plagued with hair algae and cyanobacteria algae.

HK_Fuey

  • Graeme
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Reply #1

Hi Andy

Another fellow Northeastern reefer  8D

Out of interest, which shop do you use?

If you're having algae issues, it'll come down to nutrients, lighting, and flow.  So...
What are your test results for nitrate and phosphate?
What lights do you have, and what schedule are they on?
What powerhead do you have?  Do you find detritus settling?

andyales

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Reply #2

Hi Graeme

Out of interest, which shop do you use? I to Hieghley Gate in Morpeth mostly now but used to go to Johns in Swallwell

If you're having algae issues, it'll come down to nutrients, lighting, and flow.  So...
What are your test results for nitrate and phosphate? They are low but i think this could be due to the amount of hair algae i have
What lights do you have, and what schedule are they on? I now have a Fluval LED light bar as the juwel lighting that came with the tank broke ( i have a new ballast but still need to fix it) and lights on about 9am and off approx 9pm
What powerhead do you have?  Do you find detritus settling? I have 2 smallish power heads, one on either side of the tank, i also have the outlet from the surface skimmer and protein skimmer and the outlet from the Juwel filter housing is pointed on the water surface to keep that moving.

geordie

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Reply #3

Hi Andy
 Am also in Wallsend mate, my set up is only 4 months old but doing well. Welcome to the forum.

HK_Fuey

  • Graeme
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Reply #4

Yes, gha will suck up nutrients fast.  So, given it's there, that means there are nutrients feeding it.

In your case, as you've not mentioned any corals, I'd be tempted to do a 3 day blackout.  Rip out as much gha as you can, crank up the skimmer, cover the sides of the tank (I used cardboard when I did it) and turn the lights off.

You can then do a large water change (can you manage 50%?) to remove the nutrients which will increase as the gha dies off.  You'll probably need to do a few one day after the next to get it right down.  Remember at 50%, you're reducing what's there by 50%.  So if you measure nitrates after the blackout at say 80ppm, 50% will lower it to 40ppm, then the next 50% change to 20ppm, the next to 10ppm, then the fourth to 5ppm (ok, but needs to be balanced with phosphate level to stop algae growth).

The lights are on for a long time.  I'd reduce that right down for now to something like 6 hours, then slowly build it up.

Thanks:


andyales

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Reply #5

Thanks for the advice Graeme, I will reduce the light on time, I do have 1 small coral that was hitch hiking on a conch snails shell when i purchased it so would rather not do the blackout, i could try a large water change, i try and do a 25ltr change every week to 2 week period, and i am just making up a phosphate reactor (homemade DIY) to try and reduce the phosphate levels.

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