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Thanks for your help..Is this the one? http://www.pawspetsupermarket.co.uk/rena-aquarium-heater-10898-p.asp I would need the 300W one As of the spec its saying its made of glass? http://www.rena.net/reference-center/heaters/heater-specifications.aspx •The tube is composed of a 2 mm thick...

hi all, I have a 100 litre water tank of which empties automatically now and then.. I need the water to be at around 20 degrees I tried a fluval heater and I kept getting the low flow problem so I bought another 300W heater with a plastic cage around it. About an hour a go the water emptied...

Its for a non fish related system I am building where the tank will empty (water tank) and as doing so a float switch will turn the heater off..if the float switch were to fail I am wondering what the worse thing is that could happen i.e thermal cut out etc

Hi all, I am wondering what would happen if I accidentaly had this heater on when out of the water... http://www.fluvalblog.com/heaters/e-series/ E300 Do they have a safety cut out?...do they keep heating and heating or does the glass break? Thanks

Using a big air pump with 6 x splitters and the tubes going to the bottom of the containers would be a lot easier so technically the bubbles will displace the solution and mix then around...trouble is im not sure what effect that will have in real terms in relation to physically shaking the...

Its for a hydroponic system thats controlled by mobile phone that ive been working on for the last 4 months..im at the final part now and realised id better put something on it that mixes the nutrients before the dosing pumps dose the different nutrients into the main reservoir. The nutrients...

Its to put inside a 10 litre container so it mixes the solution without having to physicaly shake it each time...sorry for asking on a tropical fish forum..I figured tropical fish hobbyists would know about small pumps etc

any ideas?

Hi all, I am looking for 6 x tiny subersibale pumps that will fit inside a 45 x 45 x 45mm round hole of which is the opening screw cap size of the top of the containers..I am after a submersible pump rather than an air pump as I wish to mix the contents of the containers remotely..you can get...