Don't know whether to say "Your joking!" or "Fit for purpose".
API test kit - with daylight craft lamp - if it's not definitely blue or definitely yellow, I can't get better than give-or-take 0.2 pH units. In a range of 1.6 units, that's 25% accuracy. Is this useless, or is it as close as matters for our aquarium inhabitants?
API test kit - with daylight craft lamp - if it's not definitely blue or definitely yellow, I can't get better than give-or-take 0.2 pH units. In a range of 1.6 units, that's 25% accuracy. Is this useless, or is it as close as matters for our aquarium inhabitants?
