I attached a sheet of A4 gloss photo paper to the cupboard door beside my tank

so looking down the length of the tank it gives a good indication of water clarity

(photo's taken in same exposure mode and lighting conditions *room…

I just love spending ages pouring loads of water over new gravel or in this case sand to get it as clean as possible for my beloved aquarium, perhaps just a tad of sarcasm in that part of my blog post. Anyway onto the filter, I don't know if I've caused any potential issues but I've just removed the "check ball" from the intake strainer of my fluval 206 external, and all that seems to have happened is the outflow speed has increased quite a bit for doing so, had a little ponder and during my…