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I sure I'm way off the mark here but ... Half of my tank has significantly more surface agitation than the other half. When sat in front of the tank, I've noticed that there is a lot more internal reflection on the half with less agitation. I realise polarisation at the water surface and viewing...

Is there any colour light that is less prone to helping algae? Without working things out scientifically, I'm wondering about purely green light (as I think that what's reflected from green leaves... right?) As much as anything I'm hoping to extend the time I can watch my tank without it...

Having read posts by the more knowledgable forum members about the downside of split photo-periods, my 100W T5s are on for 7hrs a day. Until I spotted early signs of a BGA outbreak last night, I was wondering about adding a moonlight so I can watch the tank morning and evening. My current...

Has anyone used a central heating timer for their lights?

Any opinions on iQuatics T5 controllers? And if I were to order one of their two tube kits, any advice on which of their tubes would be best for a low tech 250L tank? Aquablue 50:50 Blue Plus Purple Tropical

Are the LED tubes with T8 fittings worth the money?

Can anyone help identify these T8 clips. I thought the might have been Arcadia but I can't find them on their website.

I'm contemplating adding another one or two T8 tubes to my tank in the hope of improving plant growth and, by consiquence, reducing algae. The tank has currenty got about 1wpg (which I know is low) and and I can easily (and relatively cheaply!!!) increase that to 1.5 wpg. I may even be able...

Having searched a fair bit, as far as I can tell with lights for a night time feel, those who have tried blue or moonlight bulbs haven't lasted too long with them. So I was wondering what the cognoscenti think of just using a much lower powered tube to make the tank viewable for an extra hour...

I started with DSM and 12hrs of light. I gave up on DSM and flooded the tank. Initially (out of ignorance) I stuck with 12hrs but was advised to cut it to 5hrs, as I understand it, and increase later. How long should I stay at 5hrs, and how quickly can I increase it?

My pond pump has a UV tube in it. Having had a couple of pump related problems recently I noticed the UV tube was blown so changed it. The difference to the water clarity has been amazing (and positive) in only 48hrs. AFAIK there is no suggestion that it kills the bacteria you want, but that it...

Is there any good reason to use / not to use UV lights to illuminate a tank at night so fish can be seen without extending the plants' photo-period?