[Poo pipe part 2]

This where I got my phosphoric acid from in Auckland.      https://www.mchem.co.nz/shop/Products/Acids/PHOSPHORIC+ACID+85%+-+5+LITRES.html#cashsales

 

[Hand-held bilge pump]

For a manual backup I use one of these with success to remove  the water in my bilge  my electric bilge pump cannot pick up.

https://www.smartmarine.co.nz/product/26698/45cm-big-shot-water-gun-bazooka

[Voltage Sensitive Relay (VSR) and 5v / 19v charger advice and comments]

I have thought about removing my VSR for a FET splitter and using my MPPT charger but how do I  keep my MPPT charger ready to sense ? A wire directly to one battery?  The following are thoughts from Victron Argofet and MPPT compatibility question - Victron Community (victronenergy.com)

[Viking Vee-Drive for Cavalier 32]

 You said "I should add, that my old unit is not strictly speaking a v-drive. It's a parallel system with a 1:1 ratio. Much simpler than the Argo V-Drives."

Perhaps then look at a second hand transfer case from a 4x4 vehicle. You will still have your shafts (cardan?) to mount and secure in the hull.

 

 

[Viking Vee-Drive for Cavalier 32]

I  have used an argo in the past as a replacement remote V drive. See  argorace.com.au/product/v-drive.