Effectrode Blue Bottle Inductorized Booster review

A midrange valve boost to fatten up single coils, the Blue Bottle might just be the tone-sweetener you've been looking for

Effectrode Blue Bottle Inductorized Booster review
(Image: © Future / Olly Curtis)

Guitar World Verdict

Offering midrange boost alongside an increase in clarity, the Blue Bottle is one of those pedals that simply improves your tone and would perfectly suit the ‘always on’ role, making an essential permanent contribution.


  • +

    Classy tone enhancement.

  • +

    Loads of boost on tap.

  • +

    Satisfying midrange fattening.


  • -

    None, so long as your 'board has room for the 12V DC adaptor.

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Effectrode, the UK company that specialises in valve-based pedals, has come up with a new limited-edition booster pedal. 

The Blue Bottle is a signature pedal designed for Argent guitarist John Verity who specifically requested a pedal that could fatten up the tone of the single-coil pickups on his Strat.

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Trevor Curwen

Trevor Curwen has played guitar for several decades – he's also mimed it on the UK's Top of the Pops. Much of his working life, though, has been spent behind the mixing desk, during which time he has built up a solid collection of the guitars, amps and pedals needed to cover just about any studio session. He writes pedal reviews for Guitarist and has contributed to Total Guitar, MusicRadar and Future Music among others.