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This might be better in another post (since it has nothing to do with lighting) but this one seems to be going so amicably... I am soon to begin a fishless cycle as described elsewhere on these forums. Should I leave planting my tank until after the cycle is completed or should I (can I?) plant...

I expect that mine will be higher given the average hardness and alkalinity of the water around here. The range is interesting though - I remember reading dire warnings about changes of more than 0.3 in a 24 hour period somewhere on the web. Clearly, however, this doesn't affect the well-being...

I live opposite South Park at the bottom of Headington Hill. Always good to make the acquaintance of a fellow Oxford-dweller. -dan

I have read that with particularly low light levels that there is more of a danger of oversupplying CO2. This would seem to make sense because if the scarcity of light is affecting photosynthesis then surely this will affect CO2 uptake as well (due to reduced photosynthesis) and so less should...

Thanks very much for the advice, guys! I realise these additional questions are not about lighting but they follow on directly from my post - let me know if I should create a separate topic. Do you have any idea as to the drop in pH I might expect from the use of the CO2 System? I haven't...

Hi, Thanks for your replies, I've repeated the post here, as suggested. The lights have white PVC reflectors which, hopefully, should act to redirect some of the brilliance back into the water. I've also noted the suggestions as to plant species suitable for low-light. -dan

Hi, [I've moved this post from New to the hobby as suggested.] I've recently bought a [Hagen] Fluval Vicenza 180 aquarium which I hoped would be suitable for someone new to the pastime/vocation of fishkeeping (that is, me). As seemed prudent, I've been reading as much as I can about the...

Hi, I've recently bought a [Hagen] Fluval Vicenza 180 aquarium which I hoped would be suitable for someone new to the pastime/vocation of fishkeeping (that is, me). As seemed prudent, I've been reading as much as I can about the various requirements and responsibilities of keeping tropical...