Neptune Trident Focustronic Alkatronic
ease of use Replacement sensor disc is shipped monthly with subscription. 3 reagent bottles are replaced every 10-60 days, depending on testing frequency. User mixes concentrated reagent with water.
installation one compact device equipment box, tubes w/ pumps, waste container equipment box, tubes w/ pumps, waste container
consumables small sensor disc; no reagents 3 reagent bottles user-mixed reagent
pre-calibrated
no hazardous liquid waste
parameters measured Measures 10 critical water parameters. Measures 3 parameters; Apex Base Unit may include additional parameters at an added cost, depending on configuration. Measures Alk
  10 parameters 3 parameters 1 parameter
measurement frequency All 10 parameters are measured every 15 minutes.
Alk is measured every 1-12 hours.
Ca and Mg are measured every 2-12 hours.*
Alk is measured every 2-12 hours.*
parameter list 960 measurements/day 6-48 measurements/day 2-12 measurements/day
cost Assumes monthly cost for annually billed subscription. Assumes users purchase 6-month package for $100; $12.50/month assumes measuring Alk, Ca, and Mg 2x/day each; $100/month assumes measuring Alk 24x/day and Ca and Mg 12x/day. Assumes cost of $110 for 4L concentrated reagent and 7.9ml of diluted reagent used per measurement; $2.64 cost/month assumes 2 measurements/day; and $15.86 cost/month assumes 12 measurements/day.
cost titles mindstream cost trident cost alkatronic cost
comparison includes MindStream Monitor, Neptune Trident, and Focustronic Alkatronic
ease of use
Replacement sensor disc is shipped monthly with subscription.
Trident
3 reagent bottles are replaced every 10-60 days, depending on testing frequency.
Alkatronic
User mixes concentrated reagent with water.
installation
one compact device
Trident
equipment box, tubes w/ pumps, waste container
Alkatronic
equipment box, tubes w/pumps, waste container
consumables
small sensor disc; no reagents
Trident
3 reagent bottles
Alkatronic
user-mixed reagent
pre-calibrated
Trident
Alkatronic
no hazardous liquid waste
Trident
Alkatronic
parameters measured
Measures 10 critical water parameters.
10 parameters
Trident
Measures 3 parameters; Apex Base Unit may include additional parameters at an added cost, depending on configuration.
3 parameters
Alkatronic
Measures Alk
1 parameter
parameters measured
All 10 parameters are measured every 15 minutes.
960 measurements/day
Trident
Alk is measured every 1-12 hours.
Ca and Mg are measured every 2-12 hours*.
6-48 measurements/day
Alkatronic
Alk is measured every 2-12 hours*.
2-12 measurements/day
Alkatronic measurement frequency
Alk is measured every 2-12 hours*.
2-12 measurements/day
mindstream cost
mindstream cost
Assumes monthly cost for annually billed subscription.
Trident cost
trident cost
Assumes users purchase 6-month package for $100; $12.50/month assumes measuring Alk, Ca, and Mg 2x/day each; $100/month assumes measuring Alk 24x/day and Ca and Mg 12x/day.
Alkatronic cost
alkatronic cost
Assumes cost of $110 for 4L concentrated reagent and 7.9ml of diluted reagent used per measurement; $2.64 cost/month assumes 2 measurements/day; and $15.86 cost/month assumes 12 measurements/day.
*Depending on user preference