hello,
my dose will not prime I have tried everything. I got new tubing and have been testing the measurement with the cylinders to make sure the pumps hold prime. I have been testing this for weeks. I check all my connections going in and out. I made sure the cuts on the tubing where perfect.. I also changed around my containers and then bought the DOs container by Neptune. I open the pump heads and checked the internal tubing. nothing is kinked or out of place. I thought maybe I had a defective dos so I bought a new unit since I wanted to do auto water changes and dosing alc and calc.. when I bought the second one I hooked it up and it worked for about a week and then lost prime again.. so I repeated checked everything and got very happy because it worked for 3 weeks straight.. but then lost prime again.. .. I rechecked everything and the mad new cuts on the tubing and connected it to the in and out.. it then worked for about 2 weeks and then lost prime again.. im very hesitant to hook this up to my system because I have very high end SPS and scared it will loos prime and not be accurate.
what am I doing wrong? has anybody had this experience.. does the dos work accurate for anybody over a long period of time?
please help im very frustrated.
thanks guys!
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