Hi Kelly,
That's the joy of dosing. Too easy to forget about the hoses. I learned the hardway too but only had my alk drop to 6dkh as I test every 3 days. That was enough to **** off my 18" chalice and I lost over half the colony. What got me was that the hose from the doser to the tank plugged on the tank end and then when the pump went on the pressure blew the hose off the dosing pump. Now every 3 months I replace all hoses.
I have found that recovery is long and slow.
Cheers,
Tim
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