try climate centres for pipe conectors we use them on the air con drains and that safe to use on fish tanks as i supllied all the pipe for me mates shop
It seems that if you ask for 1 1/2" pipe fittings suddenly people know what you are talking about and have them in stock
so today i got a couple of tank conectors and the first bits of pipework to connect the tank to the sump, i didnt get it all as i wanted to check if they would fit with standard plumbing pipe, which they do so i will be buying the rest tomorrow and all going well i will begin filling the tank sometime tomorrow evening.
So here are some update pictures
The sump tank, its a plastic water storage tank from the loft of a house that was being demolished and holds around 100 gallons of water when full, the blue cylinder is from a water softening system and is filled with 15 kilos of alfa grog which the water has to pass up through from the bottom of the cylinder. There are also 3 media trays filled with another 15 kilos of alfogrog
The water from the tank goes down the black central tube which has slots cut through it at the bottom, the water then rises back up through the media and over the lip of the cylinder back into the main sump.
Looking great, alltough wont the media in that blue cylinder be pushed over the top of the cylinder when the pumps turned on, or is the media heavier than it looks? Very interesting design, hope the fill-up goes well.
I wont bore everyone with pictures of the tank filling but by 10pm tonight it should be full and i'll post some more pictures up of the filtration working.