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  1. Replies
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    Wow, that was a comprehensive answer and has...

    Wow, that was a comprehensive answer and has given me info that I didn't know before. I knew slime came fast, but didn't realise the slime filtered better, I always though the goal was the turf.
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    So, new Salifert test kits. No3 25 and Po4 1. ...

    So, new Salifert test kits. No3 25 and Po4 1.

    When I started with this back in December, No3 was 25 and Po4 was 0.5, so I am going backwards at the moment with the phosphate. I was also vodka...
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    It's a 4' system still with quite high no3 and...

    It's a 4' system still with quite high no3 and po4 readings (need some new tests to give a good reading), presumably leaching out from the 5 year old or so rock. This size screen is roughly what i...
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    So a week after adding the cfls and the...

    So a week after adding the cfls and the difference is like night and day (excuse the pun) :)

    https://i.imgur.com/Isurrkql.jpg

    https://i.imgur.com/FAK94WMl.jpg
    ...
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    Found them. 2x 45w cfl in position temporarily...

    Found them. 2x 45w cfl in position temporarily with temporary reflectors. Hopefully this will now give the screen the kickstart it needs.

    https://i.imgur.com/uhdQKj7l.jpg
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    I had moved the leds back, as you can see from...

    I had moved the leds back, as you can see from the pics above, there was a very definite ring when they were closer. Until I find the holders, I may move them back a bit closer again.
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    This page will give you IP rating explanations:...

    This page will give you IP rating explanations: http://www.enclosurecompany.com/ip-ratings-explained.php
  8. Replies
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    So I am now 6 months into my journey, I have...

    So I am now 6 months into my journey, I have decided my lights aren't strong enough to encourage initial growth. I have increased lighting time to 22 hours now and am still only getting 22- 25g in...
  9. Thread: Growth Rings

    by Marksfish
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    Sticky: Interesting to see this. Maybe I needn't have...

    Interesting to see this. Maybe I needn't have tried to move my lights away from the screen after all.
  10. I'm not familiar with the scrubber, but have had...

    I'm not familiar with the scrubber, but have had a quick Google and can't find the answer I am looking for. My screen suffered burn marks, but I had a 10w chip which I had to move away from the...
  11. The burn mark is caused by leds? If so, they are...

    The burn mark is caused by leds? If so, they are too strong and you should look at moving it away from the screen or trying to diffuse it. Is it possible to put a driver inline to reduce the output?...
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    So here we go, now some results are starting to...

    So here we go, now some results are starting to be achieved. With the light timings lowered from 18 hours per day to 13, in a week the screens have produced 30g, that's a just over 50% increase on...
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    Some more modifications made today. I have found...

    Some more modifications made today. I have found a way to hang the lights away from the screen. As you can see from the following pictures, the led really did burn the algae!! That said, 18g...
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    As expected, the led has proven to be far too...

    As expected, the led has proven to be far too strong and I have a big white circle on the screen. Until I can make adjustments, I am trying to diffuse the light a bit. I first started out with a bit...
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    Yes I agree, they are very close and a 10w led...

    Yes I agree, they are very close and a 10w led may possibly burn the screen at that distance. I need to try and fathom out how to mount the lights, I may have to make a "beam" which runs across the...
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    I think it will be a struggle to get 3 units per...

    I think it will be a struggle to get 3 units per side, but 2 is doable. Just need to sort my flow out, seems to be okay at both ends, but miniscule in the middle. Sods law eh ;)
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    Ok, so I have finally found the time to add the...

    Ok, so I have finally found the time to add the new lights. These are 10w, 660nm 12 volt lights, for safety. A drip loop is in place and the power supply is located well away from any water and...
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    I have noticed that these lights are now on sale...

    I have noticed that these lights are now on sale with a 12v supply. I have 2x 230v of these lights with 660nm led in that I have never used because of the safety aspect. I think the 12v supply is a...
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    No real progress with mine at the moment, still...

    No real progress with mine at the moment, still only getting 10- 12g per week, which is terrible. I have increased the photo period by 2 hours while I am still looking for replacement lights.
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    Always knew the lighting could be a bit too...

    Always knew the lighting could be a bit too little for it, thinking of other solutions. I seem to remember though that on my old CFL scrubber, I had to put 2x 45w to give the growth a boost, then I...
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    Much more of the same this week, although 9g...

    Much more of the same this week, although 9g removed from the screen this week, a 50% increase in last week. Still not convinced I have the flow right yet.

    https://i.imgur.com/VEY7S5Kl.jpg
    ...
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    When they come in direct from China that is...

    When they come in direct from China that is bypassed because so much stuff goes unchecked at customs. Unfortunately, a lot of the "UK" sellers are based in China, so difficult, if not impossible to...
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    The spraybar seemed to be blocked and spraying...

    The spraybar seemed to be blocked and spraying inside the unit, so it was removed for cleaning. You can see a build up around the slot and I am not sure that the slot is wide enough. It only seems...
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    Found the box for the pump, 800lph. So the...

    Found the box for the pump, 800lph. So the Maxijet won't give much more. It worked okay on my original home made scrubber all those years ago, so no reason why it shouldn't now.
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    A little disappointed with today's maintenance....

    A little disappointed with today's maintenance. Although not quite a full week, it can be seen that the water is not flowing fully down the screen. I have taken the opportunity of upgrading the pump...
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    Silly question, but has the screen been roughened?

    Silly question, but has the screen been roughened?
  27. Replies
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    So, it has been going for 7 days and the screen...

    So, it has been going for 7 days and the screen is filling with an oily algae on both sides which is good, shows some of the excessive nutrients are being reduced. I am also dosing vodka at 5ml per...
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    Yes. I stuck a little bit of tape over the slot...

    Yes. I stuck a little bit of tape over the slot as a temporary measure. I need to get my hole saw and rough up the new screen, but can't get my hands wet changing for another week as I have had hand...
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    So, I managed to get the unit into my sump...

    So, I managed to get the unit into my sump yesterday. It wasn't quite long enough to sit on the brace bars, so had to make a basic support for it. Headroom for easy maintenance could be an issue, but...
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    I trialled 3x 3w 660nm leds on my old scrubber...

    I trialled 3x 3w 660nm leds on my old scrubber and the growth was pretty good. I'll see what happens with these, then maybe source a heatsink and add them at a later date. Hoping to have it running...
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    Finally back with a new scrubber

    So, after 6 years and promising myself to get a scrubber again, I have finally done something about it. A few weeks ago, I salvaged a screen from an abandoned project, set it up in a very basic way...
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    They're terrible. I bought some with 660nm leds...

    They're terrible. I bought some with 660nm leds in and they came supplied with only live and neutral had to fit a new 3 core cable. Amazes me how UK sellers are not prosecuted for selling these.
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    Shame it shows you banned, could have done with...

    Shame it shows you banned, could have done with some answers to this system :(
  34. Replies
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    Had to scrap this one and pass it on to another...

    Had to scrap this one and pass it on to another reefer :( Too big for my current set up. Am currently working on a new build using a leaflet dispenser. Will post up when ready.
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    I bought a couple of these...

    I bought a couple of these (http://www.ebay.co.uk/itm/111355657306?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT). The seller modified them to just red 660nm LEDs. I will be having 2...
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    Hope to have it funning in a week or 2 :)

    Hope to have it funning in a week or 2 :)
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    Resurrecting a scrubber build

    I have been without a scrubber for almost 2 years now. I had this made up for my old tank and stored it when I went for a skimmer on the new tank. Got fed up with the skimmer underperforming now, so...
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    Unortunately my culture crashed. I think it was...

    Unortunately my culture crashed. I think it was because I wasn't cleaning the containers properly and ot the light. I will be using them on my new culture which is brewing up nicely now.
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    Am I missing something? The link you asked me to...

    Am I missing something? The link you asked me to comment on takes me to this page:


    http://i220.photobucket.com/albums/dd122/marksfish/Scrubber/scrubber_forum.jpg
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    Sorry for the late reply, been away on holiday....

    Sorry for the late reply, been away on holiday. That link just takes me to a list of sub forums. Is there a specific thread you want me to post on?

    Mark
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    Not started it yet unfortunately. The LEDs took...

    Not started it yet unfortunately. The LEDs took longer to arrive and it has since been on the back burner. Will be doing it soon though I hope.
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    If you were aiming that at me Kerry, no, they are...

    If you were aiming that at me Kerry, no, they are my pods.
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    My pods: ...

    My pods:

    http://i220.photobucket.com/albums/dd122/marksfish/MFUK/pod2.jpg
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    I recently got the Key 3 LEDs...

    I recently got the Key 3 LEDs for my system. Very impressed with them and their price (you can get a 5% discount too if you put in fishstreet as the coupon code). Best bit is the fans are temperature...
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    So, on Saturday, my freshly made culture was...

    So, on Saturday, my freshly made culture was looking like this:

    http://i220.photobucket.com/albums/dd122/marksfish/Phyto/DSCF1219.jpg

    Admittedly, I don't just have the LEDs at the moment, but a...
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    I culture my own pods for my mandarins, so it is...

    I culture my own pods for my mandarins, so it is mostly food for them. Plus I have just started to "chuck" some in my main display tank at night to help the filter feeders. Yes, you do end up with...
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    I got given 250ml Tetraselmis by a friend that...

    I got given 250ml Tetraselmis by a friend that breeds fish (or is attempting to with limited success). I used 1/2 of that to make a 2L bottle, using an F2 fertiliser for feeding phyto insead of plant...
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    I split my original culture yesterday and put 1...

    I split my original culture yesterday and put 1 litre of phyto into 4 litres of water. On one side I have the 6500k 20w cfl and on the other I have a 3x 3W 660nm LED fitting. So, hopefully there will...
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    Phyto and LED

    With the 660nm LEDs doing so well at growing algae on a screen, does anyone think they will be efficient for culturing phyto? I currently have a 20w 6500k cfl on my 2 litre culturing bottle, the...
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    Does keeping the lenses on make much of a...

    Does keeping the lenses on make much of a difference?

    Mark
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