I have a Hans Grohe Lacuna faucet. We love it, but it's started to run slow recently. There's a filtered water tap that uses the same cold water supply, and it's running fine. I assume it's the faucet. I cleaned out the aerator, but that seems to not have fixed anything.
HansGrohe lacuna faucet low water pressure
faucetkitchen-sink
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Best Answer
The Lacuna (and possibly other faucets) has a backflow check valve assembly in the hose. There is a lacuna_maintenance pdf from hansgrohe that shows how to clean it. No tools needed, other than maybe a small brush for cleaning. Details not in the maintenance sheet: