What Size Aquarium Magnet Do I Need To Buy?

[KieranBoyne]

Hello guys, I'm getting this magnet... http/www.ebay.co.uk/itm/181043068796?var=480205592227
 
And I have this tank: http/www.petsathome.com/shop/en/pets/hagen-marina-60-tank
 
Do I get the smaller or larger version?? I think that one is for thinner glass and the bigger one is for thicker glass.... I don't know how thick my glass is!! I have until 6pm today to order it before my voucher which I am using to pay for it expires.... Soo a quick response would be massively appreciated! Big or small???
 
Thanks for any replies I get!!

 

[sawickib]

Id get the smaller one...

 

[DrRob]

Indeed, go smaller, the bigger magnets have, well, bigger magnets. So they tend to grip a little too much and judder across the glass on smaller, thinner walled tanks, rather than smoothly clean due to a combination of increased drag and more magnetic power.

 

[KieranBoyne]

thank you so much DrRob!! I will order it now!! Thanks again! Didn't expect such a speedy reply!!

OOPSS!! Didn't even see your answer saw! Sorry. Thanks to you as well saw. I have ordered it but it says my payment is still being processed....

 

[Ninjouzata]

Indeed, go smaller, the bigger magnets have, well, bigger magnets. So they tend to grip a little too much and judder across the glass on smaller, thinner walled tanks, rather than smoothly clean due to a combination of increased drag and more magnetic power.

Oh, good to know. Maybe I should find a smaller one as mine does the judder thing! I thought I was just going too fast or something.

 

[guppyguy1234]

none do it urself u do a better job than they do i bought one noe i keep it for building up bacteria so i can pop it in another tank to help cycle it

 

[KieranBoyne]

Thanks for the replies, i ordered the smallest one