Light brown slime in my tank

[johnnie86]

I've recently noticed some.funny looking slime stuff In my wilma (orion) system and it's starting to block my pumps !!
I'm using canna and mamouth p , my plants seen to be fine but it's a bit worrying ??
it's hard

 

[Imzzaudae]

Check your tank for light leeks. If light gets in it causes bacterial growth.
Fix light leeks. Empty and sterilize tank refill.

 

[jadins_journey]

When all else fails, run some Dr Zyme. Even with light algae isn’t an issue