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  1. DrRob

    Double sided tape - safe?

    Can you just add a stronger magnet behind the outside section? Mounted the right way around you should be able to beef up the grip that way.
  2. DrRob

    Heating water before RO

    There's the option to install a temperature mixer on the supply line, they can be set to all sorts of temperatures and will pull hot water and blend. They may not be financially viable though as I've not noticed them to be all that cheap.
  3. DrRob

    Twinstar DIY

    It should, in theory, be easy enough to replicate. The parts are readily available for water ionoisers and jewellery plating devices. Getting hold of the electrodes and then controlling them simply if you don't already have a source could make the DIY non viable to start with though as water...
  4. DrRob

    UV

    UV, at the right intensity, can kill algae cells but only the ones in the water passing through it, although it tends to be used in ponds to make green water flocculate so that the filter can take it out of the water, in aquaria it tends to run at higher intensities, intended to kill...
  5. DrRob

    Water change setup...

    3 way valves are very expensive, a t-piece and 2 normal taps though......
  6. DrRob

    120litre Trickle Tower - Failed Garage Flooded :(

    I was just reading this and wondering about the hozelock fittings until I reached the last post. They're not really designed to not leak, as they're intended for gardens. Is that where you got the leak from?
  7. DrRob

    R/O Unit

    To throw in another experience, and to agree wholly with ceg, I use RO, not for the reasons listed above but because our tap water is near illegal with farm run offs getting into the supply (ammonia, DOC and all sorts of fun things in it, we don't drink the stuff given half a chance because of...
  8. DrRob

    What power head to get?

    I have a cheap one from APS. Works, slightly noisy compared to some of the expensive brands I've seen and larger than them for the flow, but oh so cheap.
  9. DrRob

    river manifold

    In that case, no, I can see no reason why it shouldn't work, they are doing the same job as a standard manifold, just with the pumps and tubes in slightly different places. It would also allow you to mount an external heater.
  10. DrRob

    river manifold

    The issue with externals is likely to be cost against flow. They drop off their flow as things clog up (and the strainers will be no different, it'll just take longer) and they're expensive for the pump you get. Do you have lots of spare externals lying around driving this one or did you just...
  11. DrRob

    DIY Project High flow DIY reactor - now with video

    Filter head is 3/4" ported female thread Tis a good price for what it is.
  12. DrRob

    What mounting/brackets can I use to suspend these lights?

    I was thinking of the TMC mountarays, but I'm not sure of the dimensions.
  13. DrRob

    DIY spray bar colour options

    Depends on your local store. I've seen in it a large store in Birmingham, but not in the ones around here, even the larger ones.
  14. DrRob

    What mounting/brackets can I use to suspend these lights?

    You might be able to adapt a luminaire bracket to suit, a quick google of those throws up some results but it depends on the aesthetic you're looking for. As for the detached LED's you're looking for computer supply places often, you can use the same thermal glue and tape that is used to...
  15. DrRob

    DIY spray bar colour options

    Might be annoying as you've already made it, but I've picked up some of this. FloPlast PVCu 21 5mm Overflow Pipe - 3Mtr
  16. DrRob

    Ehiem micro skimmer 350 review.

    Might be that more stuff can gas off if the surface is cleared of residue.
  17. DrRob

    To drill, or not.

    I'll get a few sorted, but they'll have to wait until my ellioti have finished with their egg laying antics, as they've chosen the very front of the tank and are pretty skittish at the moment. They make quite the mess when they get digging pits.
  18. DrRob

    To drill, or not.

    That's not really an issue. I run a sumped planted system over a weir with 4500lph of pumps running a 255 litre tank. A fair amount of flow will be lost in the head from the sump but it's easily clearing 10x flow and, designed well, is inaudible over the pump noise (much the same as my old eheim...
  19. DrRob

    DIY Project My new DIY reactor project

    Ta muchly.
  20. DrRob

    What size and how many holes on Spraybar.

    Speedfit stop ends fit nicely onto overflow pipe if you want an easily removable cap for your overflow.
  21. DrRob

    DIY Project My new DIY reactor project

    Bah, I spent ages looking for a plastic bush and ended up with a stainless one for a similar project. Where did you souce the reducing bushes from?
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