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  1. GreenNeedle

    Interesting Sechem Purigen reply!!!

    The question asked is can household vinegar be used instead of buffers after regnerating Purigen. The answer from the Seachem's forum is: http://www.seachem.com/support/forums/s ... .php?t=383 Money saved again. lol AC
  2. GreenNeedle

    Manufacturer's flow rates - Truth or myth

    I noticed this statement on another forum and wondered what people's thoughts on it were. I remember we came to the conclusion that the manufacturer's gave a maximum lph based on what the powerhead on it's own could achieve but these statements contradict this. The poster was suggesting that...
  3. GreenNeedle

    Just a thought r.e. inpipes reducing flow.

    Thinking out aloud (or in typeface. lol) I was wondering if when we change the in/out pipes from our filter's supplied ones if it could mean a reduced lph. I am specifically thinking of my Tetratec where I replaced the pipes with glass ones. The Lily outflow shouldn't make a difference but...
  4. GreenNeedle

    What is the best filter media

    As per the title really. I only have half my filter filled with media and this is because I want to keep the flow rate as high as possible. With this in min, what options are there for a media with a high surface are that also doesn't reduce flow too much. I have read a fair few comment about...
  5. GreenNeedle

    Filter Flow and Reduction.

    The basic point of this thread is after using the powerhead (trying out the needlewheel principle) in my tank rated at 400lph (reduce some for the holes) I noticed how weak my filter flow must be!!! My filter is the Tetratec EX700 (700lph) The only media it has in it is ceramic rings occupying...
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