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Don't know where to post this. Have a Gro Chek combo meter, dropped it, can't figure out where to solder on the yellow wire from the ph probe to the board. Anyone out there have this meter and want to post a pic of the internals so I can take this out of the "dead" pile? Any help would be great.

Can I just put this stuff in my reservoir? It is 10 gallons, aero. 1.47% concentration imidacloprid Green Light Tree and Shrub. If so, how much would you recommend? By the way, much respect UB, I've always found your posts to be helpful and accurate.

Look up a product called UNISEAL, I've used them for my fish tank projects for years...