I'm finishing the set-up of my parents' 600 gallon L shaped aquarium. We are using a meet in the middle sump design, so the probe area is about 15 feet from the controller board, by length of cable run. I tried splicing some old probes together and only the temperature probe seems to have responded well. I used solder shrink junctions for the connections. The ORP is reading 0, the pH is probably reading low at 6.76 and the salinity is high at 42.7 (SG is actually 1.023). Temp seems right on.
Anyway, does anyone know where I can get probes with longer cables that are compatible with the Apex? My LFS reached out to Neptune and they said they don't have a solution.
Thanks.
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