Simply Koi and More Koi

well done on your conversion. just a quick question, do you have any head loss of water from the vortex to the next chamber due to the slotted horizontal pipe, or do the slots provide plenty of area for the water to transfer. Actually 2 questions now, does the enevitiable clumping of the k1 around t...

i was thinking of getting a sieve like the £200 quid kusuri ones, not overly pretty but seem to remove a lot of gunk.

are you aware of any info/research to sugest that a vortex/chamber of K1/K2/K3 is any better than a chamber of a japmat cartridge.

what are the pros and cons?