Tunze Power Magnets

[Antipofish]

Does my brain deceive me or did I read somewhere that algae magnets scratch the glass, despite manufacturers claims ? Or is it only if you get a bit of sand or gravel in them ?

I am thinking of buying ONE OF THESE

But don't want to waste my money if it is likely to ruin my tank.

If you don't advocate them, what are the alternatives ?

Thanks 🙂

 

[Kristoph91]

Maybe if too large of a one for the thickness of your glass, the magnet will be too powerful and end up scratching the glass. I use one in my 30L - and I never go near the substrate with it, just in case. I use a toothbrush for the glass near the substrate. Also a great snail killer 😀

 

[Antipofish]

Maybe if too large of a one for the thickness of your glass, the magnet will be too powerful and end up scratching the glass. I use one in my 30L - and I never go near the substrate with it, just in case. I use a toothbrush for the glass near the substrate. Also a great snail killer 😀

OK Cheers

 

[m_attt]

i use one of theese, basically a big razor blade. works great especially on gsa

 

[Kristoph91]

m_att does the large scraper you have not rust easily ? :?

 

[Ian Holdich]

an old one of these is even cheaper

 

[m_attt]

m_att does the large scraper you have not rust easily ? :?

no its stainless, I've always put it away wet and its over a year old, starting to go a bit blunt now so may get a new blade 🙂

 

[Kristoph91]

Thats good then, a lot of "stainless" nowadays is crap. Rusts if you leave it anywhere damp or don't wipe it dry.

 

[Antipofish]

an old one of these is even cheaper

do you advocate alternatives to the algae magnet then Ian ? Should i not bother buying one ? I have a cheap 4.99 one from P@H but my glass is 8mm and the thing has not power to it, keeps falling apart. When I had cat litter it was a nightmare !

 

[Morgan Freeman]

Toothbrush.

 

[Radik]

it is so powerful that small piece of sand or something sharp and your optiwhite get nice scratch 🙂 since then I am not using it anymore.