I got one recently and it has proved to be an exceedingly useful tool. It normally stays plugged in on my 10g Nano and then I use it ad-hoc when mixing batches of replacement water and during water changes to ensure the new matches the old. Never used a refractometer, but the Pinpoint is...
I got one recently and it has proved to be an exceedingly useful tool. It normally stays plugged in on my 10g Nano and then I use it ad-hoc when mixing batches of replacement water and during water changes to ensure the new matches the old. Never used a refractometer, but the Pinpoint is...