I will try contacting him.
If the putty itself can be collored, it can work, applied thickly. I will keep it in mind for the decorations needed.
Geia sou!
Great to see another Greek here! I live in Athens(Melissia) and will be moving to the southern suburbs or Pyrgos. Utilities in Pyrgos are cheap. In Athens they are not though. Water usage will hurt some but it will hurt anyway due to the garden(I will be watering from the tank, so replenishing that water will be the water changes, I guess something like 2000l every 2days in summer, less in winter), as it also does with my current garden(and I don't mind ). Same usage in Pyrgos(I have a house and garden there) costs 1/4 at most, plus I have great ground water I could use. Water is cheap enough that I don't bother with that there. Ground water in southern suburbs will probably be a tad salty, so I probably won't be able to use it for the tank(unless I run a reverse osmosis, but it will waste precious ground water and I would not want to do that, the trees can do a better use of it tapping to it on their own).
So main cost will probably be electricity and petrol for heating. The cost depends on the wattage usage but I am not sure what to expect. My current aquarium uses around 1kW continuously and around 1,5kW in winter. I am not sure what to expect from that aquarium in terms of electricity usage. I will need very efficient pumps and probably a waterfall like setup on one end for more circulation and aeration with less pumps(would such a setup be advantageous?). I will probably have to have targeted current in certain areas for the Panaque(close to woods and breeding caves, close to bottom to move the debris to the filters)and plecos and have the tank calmer otherwise. Unless I can provide more current with very efficient pumps that won't raise the bill much. Solar panels are quite possible but I am not sure how much they could help offset the usage.
