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Old 03-16-2016, 01:31 AM   #101
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Nice have 4 of them i think still lol only seen 3 so far an hardly see them

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I think I need 4 just to see 1.

Big waste of aquarium stocking weight for me. I like the fish just never see it. No more impulse society buys for me!
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Old 03-16-2016, 04:03 AM   #102
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I love the pics in the progression of the BB advance to the BN's wafer!!! He looks fat indeed. No worry he's starving at least. Have similar situation with my Spotted Raphael Cat (She's HUGE now, haha 3" catfish says the lfs - before I knew better than to trust their comments).

Anyway, LOVE the pics.
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Old 03-16-2016, 10:34 AM   #103
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Lol - sometimes I think bottom dwelling fish are the most interesting

The underwater lights arrived. For the price it's a cheap experiment to see if they cause algae. But hopefully will help plants.

I'm not sure how they will look in tank viewing wise. I still like the idea of spotlights shining towards the back of tank (so no visible glare) but will try these on the weekend.

Aquarium LED Light 30 40 50 60 CM Submersible Fish Tank Coral AU Plug | eBay
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Old 03-16-2016, 10:36 AM   #104
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Nice, good luck with your lights lol. What kind of lights do you run currently?

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Old 03-17-2016, 01:35 AM   #105
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Main lights are a quad t5ho that sits directly on the tank stand now. Light intensity is fine for the first foot down the tank, after that a bit weak. So will see if these underwater lights make a difference even though they are fairly low par I'd imagine.
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Old 03-19-2016, 09:27 AM   #106
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White LED underwater lights are set up ok. Glare is reasonable. PAR is the same as the dual t5ho from a foot away. But these are a lot closer to the plants (with slow growth) and extend all the way to the substrate. So hopeful.

Only thing is they are very poor in red light. Might not be much difference between their blue and white led lights.

Will see how they go! Fingers crossed on algae.



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Old 03-31-2016, 05:54 PM   #107
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I read an interesting thread about attenuation coefficients or the exponential law of attenuation causing higher PAR intensities when the light travels through water. I always thought this would be the opposite (more intensity in air). Also there seems to be some evidence to support that you can quantify par and watts. Unfortunately, the scientific links provided no longer work. Definitely worth a bookmark though. I love these threads.

http://www.ukaps.org/forum/threads/l...n-point.15129/



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Old 03-31-2016, 08:22 PM   #108
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I read an interesting thread about attenuation coefficients or the exponential law of attenuation causing higher PAR intensities when the light travels through water. I always thought this would be the opposite (more intensity in air). Also there seems to be some evidence to support that you can quantify par and watts. Unfortunately, the scientific links provided no longer work. Definitely worth a bookmark though. I love these threads.

http://www.ukaps.org/forum/threads/l...n-point.15129/



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Many thanks - that's all pretty interesting. I'll keep this to have a look through the links later.

I have noticed since lowering the light onto the tank I'm getting better pearling (which in my case is anything) across the tank. This is only a few inches lower so it could well be that it is just cutting out the reflection of the glass top and I can believe reflection can be quite significant inside/outside tank.

I'm convinced the catfish are having a go at the stems of the red alt at the base. Two floated up this week. The stems don't really look rotted and they seem to be doing better with several stems planted together.

So I'm thinking of getting some more and planting densely to stop catfish swimming through and head off some light algae growth in the stems near the substrate.
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Old 04-03-2016, 12:30 AM   #109
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cool looking tank that center is cool
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Old 04-03-2016, 11:32 AM   #110
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Thanks very much . A lot of work up and down the ladder but I think that is working well now.

Picked up some more red alt on the weekend and planted. Not the greatest from the store but fingers crossed. I've also been a bit slack with the ferts dosing schedule and I think the plants are not quite happy.
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